IMAGE ENCODING/DECODING METHOD AND APPARATUS, AND RECORDING MEDIUM FOR STORING BITSTREAM THAT INVOLVES PERFORMING INTRA PREDICTION USING CONSTRUCTED REFERENCE SAMPLE
Intellectual Discovery Co., Ltd. (Republic of Korea)
Inventor
Ko, Hyun Suk
Lee, Jin Ho
Lim, Sung Chang
Kang, Jung Won
Lee, Ha Hyun
Jun, Dong San
Kim, Hui Yong
Abstract
An image encoding/decoding method is disclosed. A method of decoding an image, the method comprising, deriving an intra prediction mode for a current block, decoding at least one original sample that is present in a rightmost column and a bottommost row (a bottom row) of the current block, constructing a reference sample by using the at least one decoded original sample and performing intra prediction on the current block by using the constructed reference sample.
H04N 19/11 - Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/132 - Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/46 - Embedding additional information in the video signal during the compression process
H04N 19/50 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
H04N 19/70 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
H04N 19/80 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals - Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
2.
EFFICIENT CONGESTION CONTROL METHOD FOR INDUSTRIAL TRAFFIC IN 3GPP 5G SYSTEM
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Kim, Jaehyun
Abstract
One disclosure of the present specification provides an operating method of a terminal. The method may comprise the steps of: driving a mobility management (MM) back-off timer or a session management (SM) back-off timer; and interrupting or ignoring the MM back-off timer or the SM timer if the transmission of industrial traffic is necessary, and transmitting SM signaling or MM signaling. The SM signaling or the MM signaling can include information indicating the disregard of or exception to congestion control.
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Lee, Jongseok
Kim, Min Sub
Abstract
A mesh compression method and device, according to an embodiment of the present invention, may reconstruct a base mesh on the basis of geometry information obtained from a base mesh bitstream, perform surface division on the reconstructed base mesh, obtain a displacement vector for at least one of a vertex of the reconstructed base mesh and a sub-vertex generated by the surface division, reconstruct an enhancement mesh on the basis of the reconstructed base mesh and the obtained displacement vector, and obtain a texture image associated with the surface of the reconstructed enhancement mesh.
H04N 19/54 - Motion estimation other than block-based using feature points or meshes
H04N 19/172 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a picture, frame or field
H04N 19/182 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a pixel
H04N 19/132 - Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
H04N 19/177 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a group of pictures [GOP]
H04N 19/184 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being bits, e.g. of the compressed video stream
4.
METHOD, APPARATUS, COMPUTER PROGRAM, AND RECORDING MEDIUM THEREOF FOR MANAGING SOUND EXPOSURE IN WIRELESS COMMUNICATION SYSTEM
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Lee, Jea Ho
Abstract
The present disclosure relates to a method, an apparatus, a computer program, and a recording medium thereof for managing sound exposure in a wireless communication system. A method for reporting a volume level in a wireless communication system, according to an embodiment of the present disclosure, comprises: a step of reporting, to a first device, first information related to a sound pressure level (SPL) of a second device; a step in which a second device receives second information including a volume setting from the first device; and a step in which the second device adjusts the volume of the second device on the basis of the first information and the second information.
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Ahn, Yongjo
Lee, Jongseok
Abstract
A deep learning-based signal processing method according to the present invention may: obtain a quantized feature map from a bitstream; reconstruct the feature map by performing inverse quantization on the quantized feature map; and synthesize the reconstructed feature map on the basis of a neural network.
G06V 10/771 - Feature selection, e.g. selecting representative features from a multi-dimensional feature space
G06V 10/82 - Arrangements for image or video recognition or understanding using pattern recognition or machine learning using neural networks
6.
AUTHENTICATION METHOD, APPARATUS, AND COMPUTER PROGRAM FOR CONNECTIONLESS ASSET TRACKING IN WIRELESS COMMUNICATION SYSTEM, AND RECORDING MEDIUM THEREOF
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Lee, Jea Ho
Abstract
The present disclosure relates to a method, an apparatus, and a computer program for authenticating a connectionless asset tracking service in a Wireless communication system, and a recording medium for the computer program. The method for authenticating a connectionless asset tracking service comprises the steps in which a first device: receives an advertising packet from a second device; determines whether at least one advertising data (AD) structure included in the advertising packet is an AD structure related to a connectionless asset tracking service, and on the basis of security key information, decodes the AD structure related to the connectionless asset tracking service; and determines a location on the basis of the AD structure related to the connectionless asset tracking service, wherein an AD type field of the structure related to the connectionless asset tracking service may comprise a value indicating a connectionless asset tracking service.
IMAGE ENCODING/DECODING METHOD AND APPARATUS, AND RECORDING MEDIUM FOR STORING BITSTREAM THAT INVOLVES PERFORMING INTRA PREDICTION USING CONSTRUCTED REFERENCE SAMPLE
Intellectual Discovery Co., Ltd. (Republic of Korea)
Inventor
Ko, Hyun Suk
Lee, Jin Ho
Lim, Sung Chang
Kang, Jung Won
Lee, Ha Hyun
Jun, Dong San
Kim, Hui Yong
Abstract
An image encoding/decoding method is disclosed. A method of decoding an image, the method comprising, deriving an intra prediction mode for a current block, decoding at least one original sample that is present in a rightmost column and a bottommost row (a bottom row) of the current block, constructing a reference sample by using the at least one decoded original sample and performing intra prediction on the current block by using the constructed reference sample.
H04N 19/11 - Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/132 - Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/46 - Embedding additional information in the video signal during the compression process
H04N 19/50 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
H04N 19/70 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
H04N 19/80 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals - Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
8.
IMAGE DECODING METHOD/DEVICE, IMAGE ENCODING METHOD/DEVICE, AND RECORDING MEDIUM IN WHICH BITSTREAM IS STORED
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Ahn, Yong Jo
Abstract
An image encoding/decoding method and device according to the present disclosure may configure a reference sample for a cross component prediction of a chroma component block, derive a cross component prediction parameter by using the reference sample, and make a cross component prediction of the chroma component block on the basis of the cross component prediction parameter and a luma component block corresponding to the chroma component block.
H04N 19/186 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/11 - Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
H04N 19/132 - Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
9.
METHOD AND DEVICE FOR VIDEO CODING USING VARIOUS TRANSFORM TECHNIQUES
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Ahn, Yong Jo
Ryu, Ho Chan
Abstract
The present invention relates to a method and a device for decoding an image, which improve encoding and decoding efficiency by performing various forms of transform and inverse transform during transform and inverse transform processes of a video coding technique.
H04N 19/44 - Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
H04N 19/136 - Incoming video signal characteristics or properties
H04N 19/184 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being bits, e.g. of the compressed video stream
H04N 19/60 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Lee, Bae Keun
Jun, Dong San
Abstract
The image encoding/decoding method and device according to the present invention can construct a merge candidate list of a current block, derive motion information of the current block on the basis of the merge candidate list and a merge index of the current block, derive a motion vector difference of the current block, correct a motion vector of the current block by means of the motion vector difference, and carry out motion compensation on the current block by means of the corrected motion vector.
H04N 19/139 - Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/46 - Embedding additional information in the video signal during the compression process
Intellectual Discovery Co., Ltd. (Republic of Korea)
Inventor
Ryu, Ho Chan
Ahn, Yong Jo
Abstract
The present invention relates to a block partitioning structure from among the video coding schemes, and a method and apparatus for encoding and decoding the block partitioning structure. The video encoding and decoding method comprises the steps of: combining two or more encoding units of maximum size into a single encoding unit group; acquiring encoding data corresponding to the combined single encoding unit group; and decoding, according to a decoding order, the two or more encoding units of maximum size contained in the single encoding unit group.
H04N 19/70 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/119 - Adaptive subdivision aspects e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
H04N 19/88 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving rearrangement of data among different coding units, e.g. shuffling, interleaving, scrambling or permutation of pixel data or permutation of transform coefficient data among different blocks
H04N 19/46 - Embedding additional information in the video signal during the compression process
H04N 19/44 - Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
H04N 19/134 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
H04N 19/169 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Kim, Jaehyun
Abstract
One disclosure of the present specification provides a method in which a terminal operates. The method may comprise the steps of: transmitting a protocol data unit (PDU) session modification request message; and, in response to the transmission of the PDU session modification request message, receiving a PDU session modification command message, a PDU session modification ACK message, or a PDU session modification reject message. The PDU session modification request message may include a PDU session type informing that the traffic is for industrial use. In the case of receiving a PDU session modification reject message, the PDU session modification reject message may include a cause value indicating that the network does not support the PDU session type.
Intellectual Discovery Co., Ltd. (Republic of Korea)
Inventor
Ahn, Yong Jo
Ryu, Ho Chan
Abstract
The present invention provides an image encoding method and an image decoding method. The image decoding method of the present invention may comprise: obtaining intra-frame prediction information of a current block from a bitstream; inducing an intra-frame prediction mode of the current block on the basis of the intra-frame prediction information; determining a reference region for intra-frame prediction of the current block; and performing intra-frame prediction of the current block on the basis of the intra-frame prediction mode and the reference region.
H04N 19/159 - Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/139 - Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
14.
ACCESS CONTROL MECHANISM FOR SIGNALING OR DATA FOR INDUSTRIAL TRAFFIC
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Kim, Jaehyun
Abstract
Disclosed is an operation method of a terminal. The operation method may comprise the steps of: receiving system information including access control-related information about industrial signaling and/or data; determining an access identifier and an access category when originating industrial signaling or data is generated; performing a test for unified access control on the basis of the access identifier, the access category, and the access control-related information; determining the cause of radio resource control (RRC) establishment or RRC resumption on the basis of the access category if the test is passed; and transmitting an RRC message including the determined cause of RRC establishment or RRC resumption.
Intellectual Discovery Co., Ltd. (Republic of Korea)
Inventor
Ahn, Yong Jo
Ryu, Ho Chan
Abstract
The present invention relates to an intra prediction scheme among video coding techniques and, more particularly, relates to a video decoding method and apparatus for diving a block into a plurality of sub-blocks when intra prediction is performed and sequentially performing infra prediction on each of the sub-blocks. The decoding method performed by a video decoding apparatus includes determining whether to perform sub-block-based intra prediction on a current coding unit, dividing the current coding unit into a plurality of sub-blocks, performing intra prediction on each of the sub-blocks when a result of determination of whether to perform sub-block-based intra prediction has a value of “true”, and directly performing block-based intra prediction on the current coding unit without dividing the current coding unit when the result of the determination has a value of “false”.
H04N 19/159 - Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
H04N 19/119 - Adaptive subdivision aspects e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
H04N 19/70 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
16.
PDU SESSION ESTABLISHMENT PROCEDURE FOR INDUSTRIAL TRAFFIC
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Kim, Jaehyun
Abstract
One disclosure of the present specification provides a method operational in a terminal. The method may comprise the steps of: transmitting a protocol data unit (PDU) session establishment request message; and in response to the transmission of the PDU session establishment request message, receiving a PDU session establishment acceptance message or a PDU session establishment rejection message. The PDU session establishment request message may comprise a PDU session type indicating industrial traffic. When the PDU session establishment rejection message is received, the PDU session establishment rejection message may comprise a cause value indicating that a network does not support the PDU session type.
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Ahn, Yongjo
Lee, Jongseok
Abstract
A neural network-based signal processing method and device according to the present invention generates a feature map by means of a multilayer neural network comprising a plurality of neural networks, and performs quantization for the feature map, the quantization performed on the basis of the structure of the multilayer neural network or the attribute of the feature map.
G06V 10/74 - Image or video pattern matching; Proximity measures in feature spaces
G06V 10/764 - Arrangements for image or video recognition or understanding using pattern recognition or machine learning using classification, e.g. of video objects
G06V 10/77 - Arrangements for image or video recognition or understanding using pattern recognition or machine learning using data integration or data reduction, e.g. principal component analysis [PCA] or independent component analysis [ICA] or self-organising maps [SOM]; Blind source separation
G06V 10/82 - Arrangements for image or video recognition or understanding using pattern recognition or machine learning using neural networks
H04N 19/136 - Incoming video signal characteristics or properties
H04N 19/42 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals - characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
18.
METHOD AND APPARATUS FOR ENCODING/DECODING VIDEO SIGNAL
Intellectual Discovery Co., Ltd. (Republic of Korea)
Inventor
Moon, Joo Hee
Lim, Sung Won
Won, Dong Jae
Abstract
A method of decoding a video signal according to the present invention may include: determining whether or not change in brightness is present between a current video including a current block and a reference video of the current video; when it is determined that change in brightness is present between the current video and the reference video, determining weight prediction parameter candidates of the current block; determining a weight prediction parameter of the current block on the basis of index information specifying any of the weight prediction parameter candidates; and performing prediction for the current block on the basis of the weight prediction parameter.
H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
19.
INTER PREDICTION ENCODING AND DECODING METHOD USING COMBINATION OF PREDICTION BLOCKS, AND COMPUTER-READABLE STORAGE MEDIUM BITSTREAM TO BE DECODED THEREBY
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Kim, Jae Gon
Park, Do Hyeon
Yoon, Yong Uk
Do, Ji Hoon
Abstract
An encoding/decoding method and device according to the present disclosure may: determine at least one among a plurality of inter prediction modes as the inter prediction mode of the current block; form an inter prediction candidate list on the basis of the determined inter prediction mode; perform motion compensation on the basis of one prediction candidate in the inter prediction candidate list, and generate a first prediction block of the current block; and correct the first prediction block by using a prescribed intra prediction mode.
H04N 19/109 - Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/51 - Motion estimation or motion compensation
20.
IMAGE ENCODING/DECODING METHOD AND DEVICE, AND RECORDING MEDIUM STORING BITSTREAM
Intellectual Discovery Co., Ltd. (Republic of Korea)
Inventor
Jun, Dong San
Lim, Sung Chang
Kang, Jung Won
Ko, Hyun Suk
Lee, Jin Ho
Lee, Ha Hyun
Kim, Hui Yong
Abstract
An image encoding/decoding method and apparatus for performing template matching-based intra prediction are provided. An image decoding method may comprise deriving a first intra-prediction mode for a current block, generating a first intra-prediction block corresponding to the first intra-prediction mode, deriving a second intra-prediction mode for the current block, generating a second intra-prediction block corresponding to the second intra-prediction mode, and generating a final intra-prediction block by using a weighted sum of the first intra-prediction block and the second intra-prediction block.
H04N 19/159 - Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/11 - Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
21.
METHOD AND APPARATUS FOR ENCODING/DECODING VIDEO SIGNAL
Intellectual Discovery Co., Ltd. (Republic of Korea)
Inventor
Moon, Joo Hee
Lim, Sung Won
Won, Dong Jae
Abstract
According to the present invention, a method of decoding a video signal may include decoding division information that indicates whether a current decoding block is divided into two partial blocks, decoding information that indicates a division direction for the current decoding block when the division information indicates that the current decoding block is divided into the two partial blocks, and dividing the current decoding block into the two partial blocks according to the division direction.
H04N 19/119 - Adaptive subdivision aspects e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/159 - Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
H04N 19/11 - Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
H04N 19/463 - Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
Intellectual Discovery Co., Ltd. (Republic of Korea)
Inventor
Sim, Dong Gyu
Ryu, Ho Chan
Ahn, Yong Jo
Abstract
A device for encoding/decoding the image according to the present invention includes an intra prediction module configured to: determine an intra prediction mode of a current block; determine a scanning order of multiple sub blocks in the current block on the basis of the determined intra prediction mode; and perform intra prediction of the current block on the basis of the determined scanning order.
H04N 19/11 - Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
H04N 19/615 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding using motion compensated temporal filtering [MCTF]
H04N 19/13 - Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
H04N 19/91 - Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/107 - Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
H04N 19/635 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets - characterised by filter definition or implementation details
H04N 19/82 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals - Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/117 - Filters, e.g. for pre-processing or post-processing
23.
METHOD AND APPARATUS FOR ENCODING/DECODING VIDEO SIGNAL
Intellectual Discovery Co., Ltd. (Republic of Korea)
Inventor
Moon, Joo Hee
Lim, Sung Won
Won, Dong Jae
Abstract
A method of decoding a video signal according to the present invention may include: determining whether or not change in brightness is present between a current video including a current block and a reference video of the current video; when it is determined that change in brightness is present between the current video and the reference video, determining weight prediction parameter candidates of the current block; determining a weight prediction parameter of the current block on the basis of index information specifying any of the weight prediction parameter candidates; and performing prediction for the current block on the basis of the weight prediction parameter.
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
24.
NEURAL NETWORK-BASED VIDEO COMPRESSION METHOD USING MOTION VECTOR FIELD COMPRESSION
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Ahn, Yongjo
Lee, Jongseok
Abstract
A neural network-based image processing method and apparatus, according to an embodiment of the present invention, may generate a motion vector field by using motion information used in motion prediction in processing units, included in the present picture, and generate a tensor of the motion vector field by performing compression on the motion vector field on the basis of a neural network including a plurality of neural network layers.
H04N 19/137 - Motion inside a coding unit, e.g. average field, frame or block difference
H04N 19/70 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
H04N 19/132 - Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Ko, Hyun Suk
Lim, Sung Chang
Kang, Jung Won
Lee, Jin Ho
Lee, Ha Hyun
Jun, Dong San
Kim, Hui Yong
Abstract
The present invention relates to an image encoding and decoding method. An image decoding method for the same includes: determining a reference sample of a current block; performing filtering for the reference sample on the basis of a feature of an area where the reference sample is included; and performing intra-prediction by using the reference sample for which filtering is performed.
H04N 19/117 - Filters, e.g. for pre-processing or post-processing
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/14 - Coding unit complexity, e.g. amount of activity or edge presence estimation
H04N 19/159 - Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
26.
IMAGE ENCODING/DECODING METHOD AND DEVICE, AND RECORDING MEDIUM HAVING BITSTREAM STORED THEREON
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Lee, Ha Hyun
Kang, Jung Won
Ko, Hyun Suk
Lim, Sung Chang
Lee, Jin Ho
Jun, Dong San
Cho, Seung Hyun
Kim, Hui Yong
Choi, Jin Soo
Abstract
The present invention relates to a method for encoding and decoding an image. The method for decoding an image includes: deriving an initial motion vector from a merge candidate list of a current block; deriving a refined motion vector using the initial motion vector; and generating a prediction block of the current block using the refined motion vector.
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/139 - Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/537 - Motion estimation other than block-based
27.
METHOD AND APPARATUS FOR ENCODING/DECODING VIDEO SIGNAL
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Ahn, Yong Jo
Sim, Dong Gyu
Ryu, Ho Chan
Park, Seanae
Oh, Byung Tae
Song, Byung Cheol
Abstract
A video encoding/decoding apparatus according to the present invention acquires motion vector refinement information, performs motion compensation on the basis of a motion vector of a current block, refines the motion vector of the current block using at least one or both of the motion vector refinement information and the output of the motion compensation, and performs motion compensation using the refined motion vector.
H04N 19/159 - Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
H04N 19/91 - Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
H04N 19/523 - Motion estimation or motion compensation with sub-pixel accuracy
H04N 19/13 - Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
H04N 19/82 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals - Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
H04N 19/157 - Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
H04N 19/18 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a set of transform coefficients
H04N 19/129 - Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Ahn, Yongjo
Lee, Jongseok
Abstract
The present invention provides a point cloud compression method and apparatus. Particularly, the point cloud compression method and apparatus may: perform global motion compensation on the basis of a frame previous to a current frame; partition the current frame into a plurality of prediction units; determine a motion compensated point within a current prediction unit by performing local motion compensation on the current prediction unit; and on the basis of the motion compensated point, determine geometric information of a current point within the current prediction unit.
H04N 19/597 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding specially adapted for multi-view video sequence encoding
H04N 19/54 - Motion estimation other than block-based using feature points or meshes
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/13 - Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
29.
IMAGE DECODING METHOD/APPARATUS, IMAGE ENCODING METHOD/APPARATUS, AND RECORDING MEDIUM STORING BITSTREAM
Intellectual Discovery Co., Ltd. (Republic of Korea)
Inventor
Ahn, Yong Jo
Ryu, Ho Chan
Abstract
The present invention provides an image encoding method and an image decoding method. An image decoding method according to the present invention, for decoding an image by decoder-side motion information derivation, comprises the steps of: checking, from among a plurality of motion information derivation types, the motion information derivation type applied to the current block: and deriving motion information of the current block according to the checked motion information derivation type, wherein different motion information compensation techniques are applicable according to the motion information derivation type.
H04N 19/51 - Motion estimation or motion compensation
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
30.
METHOD AND APPARATUS FOR ENCODING AND DECODING IMAGE, AND RECORDING MEDIUM FOR STORING BITSTREAM
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Jun, Dong San
Lee, Ha Hyun
Kang, Jung Won
Ko, Hyun Suk
Lim, Sung Chang
Lee, Jin Ho
Cho, Seung Hyun
Kim, Hui Yong
Choi, Jin Soo
Abstract
An image encoding method and an image decoding method are provided. The image decoding method includes deriving a temporal merge candidate from a co-located block of a current block, generating a merge candidate list of the current block based on the derived temporal merge candidate, and generating a prediction block of the current block based on the generated merge candidate list. The deriving a temporal merge candidate includes scaling a motion vector derived from the co-located block based on a POC difference value between the current block and a reference picture of the current block and a POC difference value between the co-located block and a reference picture of the co-located block, and modifying the scaled motion vector based on motion vector scaling information between a neighboring block of the current block and a co-located block of the neighboring block.
H04N 19/109 - Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/91 - Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
H04N 19/182 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a pixel
H04N 19/132 - Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
H04N 19/172 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a picture, frame or field
H04N 19/117 - Filters, e.g. for pre-processing or post-processing
H04N 19/174 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a slice, e.g. a line of blocks or a group of blocks
H04N 19/86 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
H04N 19/119 - Adaptive subdivision aspects e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
31.
INTRA PREDICTION MODE ENCODING/DECODING METHOD AND APPARATUS
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE (Republic of Korea)
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Lim, Sung Chang
Kim, Hui Yong
Lee, Jin Ho
Choi, Jin Soo
Kim, Jin Woong
Kim, Jae Gon
Lee, Sang Yong
Choi, Hae Chul
Abstract
An intra prediction mode encoding and decoding method, an image decoding device, and an image encoding device operate by deriving most probable modes (MPMs) from surrounding prediction units adjacent to a current prediction unit and deriving an intra prediction mode of the current prediction unit on the basis of an MPM flag indicating whether an MPM having the same prediction mode as the intra prediction mode of the current prediction unit exists among the derived MPMs.
H04N 19/157 - Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
H04N 19/11 - Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/196 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
H04N 19/70 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
32.
VIDEO CODING METHOD AND DEVICE USING MERGE CANDIDATE
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Ahn, Yong Jo
Abstract
In a video encoding/decoding method and device according to the present invention, a merge candidate of a current block may be determined, a merge candidate list may be configured on the basis of the merge candidate, motion information of the current block may be derived from the merge candidate list, and the motion information may be used to perform inter prediction of the current block.
H04N 19/52 - Processing of motion vectors by encoding by predictive encoding
H04N 19/126 - Quantisation - Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
H04N 19/159 - Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
Intellectual Discovery Co., Ltd. (Republic of Korea)
Inventor
Shimizu, Kazuhiko
Abstract
A smoking tool according to the present invention includes: a heater configured to heat tobacco leaves inserted into the tool; and an atomizer configured to generate electronic cigarette smoke, in which the atomizer generates the electronic cigarette smoke when a smoker inhales air, such that the smoker inhales the smoke to which nicotine or tobacco flavor generated by heating the tobacco leaves is added.
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Ahn, Yongjo
Lee, Jongseok
Abstract
A method and a device for processing an image on the basis of a neural network, according to an embodiment of the present invention, can acquire a feature tensor from an input image by using a first neural network including a plurality of neural network layers, acquire a quantized feature tensor by quantizing the acquired feature tensor on the basis of the quantization size, and generate a bitstream by performing entropy encoding on the quantized feature tensor.
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/18 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a set of transform coefficients
H04N 19/184 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being bits, e.g. of the compressed video stream
H04N 19/60 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
H04N 19/13 - Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Ahn, Yong Jo
Abstract
In an image encoding/decoding method and device according to the present invention, a candidate list for motion information prediction of a current block is generated, a control point vector of the current block is derived on the basis of the candidate list and a candidate index, a motion vector of the current block is derived on the basis of the control point vector of the current block, and inter-prediction with respect to the current block can be performed by means of the motion vector.
H04N 19/159 - Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/52 - Processing of motion vectors by encoding by predictive encoding
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Ahn, Yong Jo
Abstract
A video coding method and device, according to the present invention, determine whether motion compensation is performed by sub-block unit, determine a search area for motion compensation of a current block, calculate a plurality of SAD candidates with respect to the search area, derive delta motion information of the current block on the basis of the plurality of SAD candidates, and can compensate for motion information of the current block by using pre-generated motion information and the delta motion information of the current block.
H04N 19/44 - Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/132 - Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Ahn, Yongjo
Lee, Jongseok
Abstract
A neural network-based image processing method and apparatus according to an embodiment of the present invention may: acquire a feature tensor from an input image by using a first neural network including a plurality of neural network layers; acquire a symbol tensor by performing quantization on the acquired feature tensor; and generate a bitstream by performing entropy encoding on the basis of the symbol tensor.
H04N 19/13 - Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
38.
METHOD AND DEVICE FOR ENCODING/DECODING IMAGE, AND RECORDING MEDIUM HAVING STORED BITSTREAM
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Lim, Sung Chang
Kang, Jung Won
Ko, Hyun Suk
Lee, Jin Ho
Lee, Ha Hyun
Jun, Dong San
Kim, Hui Yong
Abstract
The present invention relates to an image encoding/decoding method. The image decoding method includes splitting a coding tree unit (CTU) into at least one coding unit (CU) according to a block splitting structure and performing CU-based decoding, in which the block partition structure is configured such that at least one of binary tree splitting and ternary tree splitting is performed after quadtree splitting is performed.
H04N 19/119 - Adaptive subdivision aspects e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
H04N 19/159 - Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/186 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
H04N 19/169 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
H04N 19/46 - Embedding additional information in the video signal during the compression process
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Ahn, Yong Jo
Ryu, Ho Chan
Abstract
The present invention relates to block merging according to block split among video coding techniques, and a method and an apparatus for coding and decoding a video, in which in generating and modifying a block merging list, spatial merging candidate blocks of the block merging list are changed according to a split type and order of a current coding unit.
H04N 19/577 - Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
40.
VIDEO CODING METHOD AND APPARATUS UTILIZING GROUP OF ENCODING UNITS
Intellectual discovery Co., Ltd. (Republic of Korea)
Inventor
Ryu, Ho Chan
Ahn, Yong Jo
Abstract
The present invention relates to a block partitioning structure from among the video coding schemes, and a method and apparatus for encoding and decoding the block partitioning structure. The video encoding and decoding method comprises the steps of: combining two or more encoding units of maximum size into a single encoding unit group; acquiring encoding data corresponding to the combined single encoding unit group; and decoding, according to a decoding order, the two or more encoding units of maximum size contained in the single encoding unit group.
H04N 19/70 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/119 - Adaptive subdivision aspects e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
H04N 19/88 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving rearrangement of data among different coding units, e.g. shuffling, interleaving, scrambling or permutation of pixel data or permutation of transform coefficient data among different blocks
H04N 19/46 - Embedding additional information in the video signal during the compression process
H04N 19/44 - Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
H04N 19/134 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
H04N 19/169 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Ahn, Yongjo
Lee, Jongseok
Abstract
A neural-network-based signal processing method and apparatus according to the present invention may: receive a bitstream including information about a neural network model, wherein the bitstream includes at least one neural network access unit; obtain information about the at least one neural network access unit from the bitstream; and reconstruct the neural network model on the basis of the information about the at least one neural network access unit.
H04N 19/42 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals - characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Lee, Jea Ho
Abstract
The present disclosure relates to a method, a device, and a computer program for selecting a channel in a wireless communication system, and to a recording medium therefor. The method for selecting a channel by a first device in a wireless communication system, according to one embodiment of the present disclosure, may comprise the steps of: receiving a channel categorization report from a second device; and determining a channel map on the basis of at least one of the channel categorization report, a channel sensing result of the first device, and information provided by a host of the first device.
Intellectual Discovery Co., Ltd. (Republic of Korea)
Inventor
Ko, Hyun Suk
Lim, Sung Chang
Kang, Jung Won
Lee, Jin Ho
Lee, Ha Hyun
Jun, Dong San
Kim, Hui Yong
Abstract
The present invention relates to an image encoding/decoding method and apparatus. The image decoding method according to the present invention may comprise configuring an MPM list based on intra-prediction modes of neighbor blocks of a current block and a number of frequencies of the intra-prediction modes of the neighbor blocks, deriving an intra-prediction mode of the current block based on the MPM list, and performing intra-prediction for the current block based on the intra-prediction mode.
H04N 19/00 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/184 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being bits, e.g. of the compressed video stream
H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
44.
VIDEO ENCODING/DECODING METHOD AND DEVICE, AND RECORDING MEDIUM STORING BIT STREAM
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Lim, Sung Chang
Kang, Jung Won
Ko, Hyun Suk
Jun, Dong San
Lee, Jin Ho
Lee, Ha Hyun
Kim, Hui Yong
Abstract
Disclosed is an image encoding method. The method includes deriving a motion refinement candidate from among motion information of spatial neighboring blocks, motion information of a temporal neighboring blocks, predefined motion information, and motion information that most frequently occurs in a reference picture, performing a motion information refinement on the derived motion refinement candidate, and generating a prediction block of a current block by using the motion refinement candidate having undergone the motion information refinement.
H04N 19/523 - Motion estimation or motion compensation with sub-pixel accuracy
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
45.
VIDEO CODING METHOD AND APPARATUS UTILIZING COMBINATION OF DIVERSE BLOCK PARTITIONING STRUCTURES
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Ryu, Ho Chan
Ahn, Yong Jo
Abstract
The present invention relates to a block partitioning structure from among the video coding schemes and to a method and apparatus for encoding and decoding the block partitioning structure, the method comprising the steps of: acquiring block partitioning data; partitioning a block by means of the acquired block partitioning data; and encoding and decoding by means of the partitioned block. The encoding and decoding method and apparatus according to the present invention has the benefit of improving encoding efficiency with respect to the existing video compression schemes.
H04N 19/119 - Adaptive subdivision aspects e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
H04N 19/44 - Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
H04N 19/186 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/70 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
H04N 19/157 - Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
46.
IMAGE ENCODING/DECODING METHOD AND DEVICE, AND RECORDING MEDIUM IN WHICH BITSTREAM IS STORED
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Lee, Ha Hyun
Lim, Sung Chang
Kang, Jung Won
Lee, Jin Ho
Kim, Hui Yong
Abstract
The present invention is about an image encoding/decoding method and apparatus. According to present invention, a method of decoding an image, the method comprising, deriving an initial motion vector of a current block; deriving a refined motion vector by using the initial motion vector; and generating a prediction block of the current block by using the refined motion vector.
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Lee, Bae Keun
Jun, Dong San
Abstract
Image encoding/decoding methods and apparatuses according to the present invention may generate a prediction block of a current block based on a pre-defined prediction mode, generate a transform block of the current block through predetermined transformation, and reconstruct the current block based on the prediction block and the transform block.
H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/11 - Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
H04N 19/119 - Adaptive subdivision aspects e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
H04N 19/122 - Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
H04N 19/129 - Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
H04N 19/132 - Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
48.
METHOD AND DEVICE FOR IMAGE ENCODING/DECODING ON BASIS OF ASYMMETRIC SUB-BLOCK
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Jun, Dong San
Lee, Ha Hyun
Kang, Jung Won
Ko, Hyun Suk
Lim, Sung Chang
Lee, Jin Ho
Kim, Hui Yong
Abstract
The present invention relates to a video encoding/decoding method and apparatus. The video decoding method according to the present invention may comprise dividing a coding unit into a plurality of sub-units according to a block division structure and performing decoding based on the sub-unit, wherein the block division structure is a block division structure in which division is performed so as to include at least one sub-unit having a predetermined block form other than square and rectangle forms.
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/119 - Adaptive subdivision aspects e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
H04N 19/159 - Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
H04N 19/44 - Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
49.
VIDEO CODING METHOD AND DEVICE, AND RECORDING MEDIUM STORING BITSTREAM
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Ahn, Yong Jo
Lee, Jong Seok
Abstract
An image encoding/decoding method and device according to the present invention may comprise: acquiring information for matrix-based prediction of a current block; and generating a prediction block of the current block on the basis of the information for the matrix-based prediction.
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/132 - Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
H04N 19/117 - Filters, e.g. for pre-processing or post-processing
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
50.
METHOD FOR TRANSMITTING AND RECEIVING DOWNLINK CHANNEL FOR MTC TERMINAL, AND APPARATUS THEREFOR
INTELLECTUAL DISCOVERY CO, LTD. (Republic of Korea)
Inventor
Kim, Sun Woo
Abstract
The present invention relates to a method and an apparatus for a base station transmitting a downlink signal for a machine-type communication (MTC) terminal. More specifically, the present invention relates to a method for transmitting and receiving PBCH, PRACH, PDSCH, PDCCH or EPDCCH for a low cost and enhanced coverage MTC terminal, and an apparatus therefor. Particularly, provided are an apparatus and a method for a base station transmitting a control channel, the method comprising the steps of repeatedly transmitting a control channel comprising control information, and repeatedly transmitting downlink data channel (PDSCH) on the basis of information for a subframe ending the control channel being repeatedly transmitted.
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Ahn, Yong Jo
Abstract
A video coding/decoding method and device, according to the present invention, may enable: deriving an intra-frame prediction mode of a current block; configuring a reference pixel for the intra-frame prediction of the current block; and carrying out the intra-frame prediction of the current block on the basis of the intra-frame prediction mode and the reference pixel. The intra-frame prediction mode of the current block is derived on the basis of any one of MPM candidates or a predetermined default mode.
H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/117 - Filters, e.g. for pre-processing or post-processing
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/182 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a pixel
52.
METHOD, DEVICE AND COMPUTER PROGRAM FOR CLOUD-AUTHENTICATED PAIRING IN WIRELESS COMMUNICATION SYSTEM, AND RECORDING MEDIUM THEREFOR
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Lee, Jea Ho
Abstract
The present disclosure relates to a method, device and computer program for cloud-authenticated pairing in a wireless communication system, and a recording medium therefor. A method for carrying out account-based pairing in a wireless communication system, according to one embodiment of the present disclosure, may comprise the steps in which: a seeker device acquires credential information of a provider device from a server; the seeker device acquires, from the provider device, an advertising packet comprising a hash value which is based on the credential information; and the seeker device establishes a connection with the provider device on the basis of the acquired credential information and the hash value which is based on the acquired credential information.
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Jun, Dong San
Lee, Ha Hyun
Kang, Jung Won
Ko, Hyun Suk
Lim, Sung Chang
Lee, Jin Ho
Cho, Seung Hyun
Kim, Hui Yong
Choi, Jin Soo
Abstract
An image encoding method and an image decoding method are provided. The image decoding method includes deriving a temporal merge candidate from a co-located block of a current block, generating a merge candidate list of the current block based on the derived temporal merge candidate, and generating a prediction block of the current block based on the generated merge candidate list. The deriving a temporal merge candidate includes scaling a motion vector derived from the co-located block based on a POC difference value between the current block and a reference picture of the current block and a POC difference value between the co-located block and a reference picture of the co-located block, and modifying the scaled motion vector based on motion vector scaling information between a neighboring block of the current block and a co-located block of the neighboring block.
H04N 19/109 - Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/91 - Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
H04N 19/182 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a pixel
H04N 19/132 - Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
H04N 19/172 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a picture, frame or field
H04N 19/117 - Filters, e.g. for pre-processing or post-processing
H04N 19/174 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a slice, e.g. a line of blocks or a group of blocks
H04N 19/86 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
H04N 19/119 - Adaptive subdivision aspects e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
54.
METHOD, APPARATUS, AND COMPUTER PROGRAM FOR CONNECTIONLESS ASSET TRACKING IN WIRELESS COMMUNICATION SYSTEM, AND RECORDING MEDIUM THEREOF
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Lee, Jea Ho
Abstract
The present disclosure relates to a method, an apparatus, and a computer program for a connectionless asset tracking service in a wireless communication system, and a recording medium thereof. A method for a connectionless asset tracking service in a wireless communication system according to an embodiment of the present disclosure may comprise the steps in which a first device: receives an advertising packet from a second device; determines whether at least one advertising data structure (AD structure) included in the advertising packet is an AD structure related to a connectionless asset tracking service; and on the basis of the AD structure related to the connectionless asset tracking service, determines the location of the second device, wherein an AD type field of the AD structure related to the connectionless asset tracking service includes a value indicating a connectionless asset tracking service.
H04W 4/029 - Location-based management or tracking services
H04W 4/80 - Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
55.
INFERENCE METHOD AND DEVICE USING VIDEO COMPRESSION
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Ahn, Yongjo
Lee, Jongseok
Abstract
A neural network-based image processing method and device according to embodiments of the present invention can: perform pre-processing for an input image; obtain a feature map from the pre-processed image by means of a neural network comprising a plurality of neural network layers; perform quantization for the obtained feature map; and perform video conversion with respect to the quantized feature map.
G06N 3/04 - Architecture, e.g. interconnection topology
H04N 19/132 - Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
H04N 19/18 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a set of transform coefficients
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Lee, Jeaho
Abstract
The present disclosure relates to a method, apparatus, and computer program for setting an encryption key in a wireless communication system; and a recording medium for same. According to one embodiment of the present disclosure, a method for setting an encryption key size in a wireless communication system may comprise: a step in which a first controller of a first device receives a first message containing information on a minimum value of a first encryption key size from a first host of the first device; and a step in which the first controller transmits, to the first host, a second message indicating an encryption change. The second message may contain information on the first encryption key size.
H04L 9/06 - Arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for blockwise coding, e.g. D.E.S. systems
57.
Method, device and computer program for communicating information relating to wireless power transmission, and recording medium thereof
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Lee, Jeaho
Abstract
The present disclosure relates to a method, device and computer program for communicating information relating to wireless power transmission, and a recording medium thereof. A quick discovery method by means of out-of-band (OOB) in a wireless power transmission system according to an embodiment of the present disclosure can comprise the steps in which: a power transmitter (PTX) receives one or more advertisement data items from a power receiver (PRX) in the OOB; the PTX obtains a first service or characteristic of the PRX in the OOB on the basis of the advertisement data items; power transmission from the PTX to the PRX is initiated in-band on the basis of the first service or characteristic; and the PTX obtains a second service or characteristic of the PRX in the OOB after the power transmission has been initiated.
H04L 69/00 - Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
H04L 67/51 - Discovery or management thereof, e.g. service location protocol [SLP] or web services
H02J 50/80 - Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
H02J 50/12 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
H04W 4/80 - Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
58.
METHOD, DEVICE, AND COMPUTER PROGRAM FOR CONTROLLING AND MANAGING STATE OF PERIPHERAL DEVICE IN WIRELESS COMMUNICATION SYSTEM, AND RECORDING MEDIUM THEREFOR
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Lee, Jea Ho
Abstract
The present disclosure relates to a method, a device, and a computer program for controlling and managing a state of a peripheral device in a wireless communication system, and a recording medium therefor. According to an embodiment of the present disclosure, a method for changing an audio stream session-related state may include the steps of: acquiring information relating to a current audio stream session-related state of a second device before a first device in a first audio stream session-related state performs transition of an audio stream session-related state; determining a second audio stream session-related state of the first device at least on the basis of the current audio stream session-related state of the second device; and performing the transition of the audio stream session-related state by the first device on the basis of the second audio stream session-related state.
H04W 4/80 - Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
59.
METHOD, DEVICE, COMPUTER PROGRAM, AND RECORDING MEDIUM FOR AUDIO PROCESSING IN WIRELESS COMMUNICATION SYSTEM
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Lee, Jeaho
Abstract
The present disclosure relates to a method, a device, a computer program, and a recording medium for audio processing in a wireless communication system. A method for transmitting metadata related to broadcast audio data in a Wireless communication system according to one embodiment of the present disclosure comprises the steps of: transmitting a first pointer packet including one or more pieces of metadata in a first channel, and transmitting an audio packet including one or more pieces of broadcast audio data related to the one or more pieces of metadata on a second channel indicated by the first pointer packet, wherein each of the one or more pieces of metadata may include information indicating a characteristic of one piece of broadcast audio data related to said piece of metadata.
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Ahn, Yong Jo
Sim, Dong Gyu
Ryu, Ho Chan
Park, Seanae
Oh, Byung Tae
Song, Byung Cheol
Abstract
A video encoding/decoding apparatus according to the present invention acquires motion vector refinement information, performs motion compensation on the basis of a motion vector of a current block, refines the motion vector of the current block using at least one or both of the motion vector refinement information and the output of the motion compensation, and performs motion compensation using the refined motion vector.
H04N 19/159 - Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/82 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals - Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
H04N 19/91 - Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
H04N 19/523 - Motion estimation or motion compensation with sub-pixel accuracy
H04N 19/157 - Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
H04N 19/18 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a set of transform coefficients
H04N 19/129 - Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
H04N 19/13 - Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
61.
Method and apparatus for encoding/decoding video signal
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Ahn, Yong Jo
Sim, Dong Gyu
Ryu, Ho Chan
Park, Seanae
Oh, Byung Tae
Song, Byung Cheol
Abstract
A video encoding/decoding apparatus according to the present invention acquires motion vector refinement information, performs motion compensation on the basis of a motion vector of a current block, refines the motion vector of the current block using at least one or both of the motion vector refinement information and the output of the motion compensation, and performs motion compensation using the refined motion vector.
H04N 19/159 - Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
H04N 19/91 - Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
H04N 19/129 - Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
H04N 19/82 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals - Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
H04N 19/523 - Motion estimation or motion compensation with sub-pixel accuracy
H04N 19/157 - Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
H04N 19/18 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a set of transform coefficients
H04N 19/13 - Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
62.
Image encoding/decoding method and device employing in-loop filtering
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Lim, Sung Chang
Kang, Jung Won
Lee, Ha Hyun
Jun, Dong San
Ko, Hyun Suk
Lee, Jin Ho
Kim, Hui Yong
Abstract
The present it relates to a video encoding/decoding method and apparatus. The video decoding method according to the present invention may comprise c coding filter information on a coding unit; classifying samples in the coding unit into classes on a per block classification unit basis; and filtering the coding unit having the samples classified into the classes on a per block classification unit basis by using the filter information.
H04N 19/00 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/117 - Filters, e.g. for pre-processing or post-processing
H04N 19/132 - Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
H04N 19/169 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/186 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
H04N 19/82 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals - Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
63.
Image encoding/decoding method and device, and recording medium having bitstream stored therein
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Lee, Jin Ho
Kang, Jung Won
Ko, Hyun Suk
Lim, Sung Chang
Lee, Ha Hyun
Jun, Dong San
Kim, Hui Yong
Abstract
An image encoding/decoding method and apparatus for performing representative sample-based intra prediction are provided. An image decoding method may comprise deriving an intra prediction mode of a current block, configuring a reference sample of the current block, and performing intra prediction for the current block based on the intra prediction mode and the reference sample, wherein the intra prediction is representative sample-based prediction.
H04N 19/132 - Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
Intellectual Discovery Co., Ltd. (Republic of Korea)
Inventor
Sim, Dong Gyu
Ryu, Ho Chan
Ahn, Yong Jo
Abstract
A device for encoding/decoding the image according to the present invention includes an intra prediction module configured to: determine an intra prediction mode of a current block; determine a scanning order of multiple sub blocks in the current block on the basis of the determined intra prediction mode; and perform intra prediction of the current block on the basis of the determined scanning order.
H04N 19/11 - Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/107 - Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
H04N 19/91 - Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/117 - Filters, e.g. for pre-processing or post-processing
H04N 19/615 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding using motion compensated temporal filtering [MCTF]
H04N 19/13 - Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
H04N 19/635 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets - characterised by filter definition or implementation details
H04N 19/82 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals - Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
65.
IMAGE ENCODING/DECODING METHOD AND DEVICE, AND RECORDING MEDIUM STORING BITSTREAM
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Jun, Dong San
Lim, Sung Chang
Kang, Jung Won
Ko, Hyun Suk
Lee, Jin Ho
Lee, Ha Hyun
Kim, Hui Yong
Abstract
An image encoding/decoding method and apparatus for performing template matching-based intra prediction are provided. An image decoding method may comprise deriving a first intra-prediction mode for a current block, generating a first intra-prediction block corresponding to the first intra-prediction mode, deriving a second intra-prediction mode for the current block, generating a second intra-prediction block corresponding to the second intra-prediction mode, and generating a final intra-prediction block by using a weighted sum of the first intra-prediction block and the second intra-prediction block.
H04N 19/159 - Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
H04N 19/11 - Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
66.
Method and apparatus for encoding/decoding video signal
Intellectual Discovery Co., Ltd. (Republic of Korea)
Inventor
Moon, Joo Hee
Lim, Sung Won
Won, Dong Jae
Abstract
A method of decoding a video signal according to the present invention may include: determining whether or not change in brightness is present between a current video including a current block and a reference video of the current video; when it is determined that change in brightness is present between the current video and the reference video, determining weight prediction parameter candidates of the current block; determining a weight prediction parameter of the current block on the basis of index information specifying any of the weight prediction parameter candidates; and performing prediction for the current block on the basis of the weight prediction parameter.
H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
67.
ADAPTIVE AUDIO PROCESSING METHOD, DEVICE, COMPUTER PROGRAM, AND RECORDING MEDIUM THEREOF IN WIRELESS COMMUNICATION SYSTEM
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Lee, Jea Ho
Abstract
The present disclosure relates to an adaptive audio processing method, device, computer program, and recording medium thereof in a wireless communication system. A method of transmitting audio data from a first device to a second device in a wireless communication system, according to an embodiment of the present disclosure, may comprise: encoding first audio data in the first device, on the basis of a first codec parameter, to transmit same to the second device; transmitting, from the first device to the second device, information related to a change time point or a change position from the first codec parameter to second codec parameter; and encoding second audio data, on the basis of a second codec parameter, in the first device and transmitting same to the second device.
G10L 19/00 - Speech or audio signal analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
68.
Image decoding method/apparatus, image encoding method/apparatus, and recording medium storing bitstream
Intellectual Discovery Co., Ltd. (Republic of Korea)
Inventor
Ahn, Yong Jo
Ryu, Ho Chan
Abstract
The present invention provides an image encoding method and an image decoding method. An image decoding method according to the present invention, for decoding an image by decoder-side motion information derivation, comprises the steps of: checking, from among a plurality of motion information derivation types, the motion information derivation type applied to the current block: and deriving motion information of the current block according to the checked motion information derivation type, wherein different motion information compensation techniques are applicable according to the motion information derivation type.
H04N 19/51 - Motion estimation or motion compensation
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
69.
METHOD, APPARATUS AND COMPUTER PROGRAM FOR BROADCAST DISCOVERY
SERVICE IN WIRELESS COMMUNICATION SYSTEM, AND RECORDING MEDIUM
THEREFOR
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Lee, Jeaho
Abstract
Disclosed are a method, an apparatus and a computer program for performing a broadcast discovery or scanning service in a wireless communication system, and a recording medium therefor. A method by which a second device performs scan offloading on a first device in a wireless communication system, according to one embodiment of the present disclosure, comprises the steps of: transmitting, to the first device, information for indicating that the second device performs scanning instead of the first device; determining, by the second device, a target broadcast source for the first device; and transmitting, to the first device, information about the target broadcast source.
H04W 4/06 - Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
H04W 4/80 - Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Lee, Jea Ho
Abstract
The present disclosure relates to audio routing in a wireless communication system. A method by which a first device performs audio routing in a wireless communication system, according to one embodiment of the present disclosure, comprises the steps of: transmitting audio routing basic information to a second device; receiving an audio routing modification request from the second device; and transmitting, to the second device, audio-routing-related information modified on the basis of the audio routing modification request, wherein the audio routing basic information may comprise at least one of available audio routing device information, set audio routing device information, and audio routing content type information.
G06F 15/16 - Combinations of two or more digital computers each having at least an arithmetic unit, a program unit and a register, e.g. for a simultaneous processing of several programs
H04W 4/80 - Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Lee, Ha Hyun
Kang, Jung Won
Ko, Hyun Suk
Lim, Sung Chang
Lee, Jin Ho
Jun, Dong San
Cho, Seung Hyun
Kim, Hui Yong
Choi, Jin Soo
Abstract
The present invention relates to a method for encoding and decoding an image. The method for decoding an image includes: deriving an initial motion vector from a merge candidate list of a current block; deriving a refined motion vector using the initial motion vector; and generating a prediction block of the current block using the refined motion vector.
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/139 - Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/537 - Motion estimation other than block-based
72.
METHOD, DEVICE AND COMPUTER PROGRAM FOR CONTROLLING AUDIO DATA IN WIRELESS COMMUNICATION SYSTEM, AND RECORDING MEDIUM THEREFOR
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Lee, Jeaho
Abstract
The present disclosure relates to a method, device, and computer program for controlling audio data in a wireless communication system, and a recording medium therefor. A method for controlling audio data by a first device in a wireless communication system, according to an embodiment of the present disclosure, may comprise the steps of: acquiring an audio policy; receiving information regarding a plurality of audio streams from one or more second devices; selecting one or more audio streams on the basis of the information regarding the plurality of audio streams and the audio policy; and performing a setup procedure for the selected one or more audio streams.
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Lee, Jin Ho
Kang, Jung Won
Lee, Ha Hyun
Lim, Sung Chang
Kim, Hui Yong
Abstract
There is provided an image encoding/decoding method and apparatus. The image encoding method of the present invention includes: determining whether or not to apply filtering to a filtering target sample; determining a filter type on the basis of the determination; and applying filtering to the filtering target sample by using the determined filter type.
H04N 19/117 - Filters, e.g. for pre-processing or post-processing
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/132 - Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
H04N 19/159 - Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/82 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals - Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
H04N 19/52 - Processing of motion vectors by encoding by predictive encoding
74.
DEEP LEARNING-BASED IMAGE CODING METHOD AND DEVICE
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Ahn, Yongjo
Lee, Jongseok
Abstract
A deep learning-based signal processing method according to the present invention may: obtain a quantized feature map from a bitstream; reconstruct the feature map by performing inverse quantization on the quantized feature map; and synthesize the reconstructed feature map on the basis of a neural network.
H04N 19/13 - Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
H04N 19/184 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being bits, e.g. of the compressed video stream
G06N 3/04 - Architecture, e.g. interconnection topology
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Lee, Bae Keun
Abstract
An image encoding/decoding method and apparatus according to the present invention may generate a prediction block of a current block on the basis of a pre-defined prediction mode, generate a residual block of the current block on the basis of a predetermined transformation type, and reconstruct the current block on the basis of the prediction block and the residual block.
H04N 19/159 - Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
76.
NEURAL NETWORK FEATURE MAP QUANTIZATION METHOD AND DEVICE
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Ahn, Yongjo
Lee, Jongseok
Abstract
A neural network-based signal processing method and device according to the present invention generates a feature map by means of a multilayer neural network comprising a plurality of neural networks, and performs quantization for the feature map, the quantization performed on the basis of the structure of the multilayer neural network or the attribute of the feature map.
H04N 19/13 - Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
H04N 19/70 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
Intellectual Discovery Co., Ltd. (Republic of Korea)
Inventor
Ahn, Yong Jo
Ryu, Ho Chan
Abstract
The present invention relates to an intra prediction scheme among video coding techniques and, more particularly, relates to a video decoding method and apparatus for diving a block into a plurality of sub-blocks when intra prediction is performed and sequentially performing infra prediction on each of the sub-blocks. The decoding method performed by a video decoding apparatus includes determining whether to perform sub-block-based intra prediction on a current coding unit, dividing the current coding unit into a plurality of sub-blocks, performing intra prediction on each of the sub-blocks when a result of determination of whether to perform sub-block-based intra prediction has a value of “true”, and directly performing block-based intra prediction on the current coding unit without dividing the current coding unit when the result of the determination has a value of “false”.
H04N 19/159 - Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
H04N 19/119 - Adaptive subdivision aspects e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
H04N 19/70 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Lee, Bae Keun
Jun, Dong San
Abstract
The video encoding/decoding method and device according to the present invention can determine an intra prediction mode of a chroma block, specify a luminance area for inter-component reference of the chroma block, downsample the specified luminance area, derive parameters for the inter-component reference of the chroma block, apply the parameters to the downsampled luminance area, and thereby predict the chroma block.
H04N 19/11 - Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/186 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Bae Keun Lee, Bae Keun
Jun, Dong San
Abstract
A video signal encoding/decoding method and apparatus according to the present invention divide a current block into two prediction units, construct a list of merge candidates for the current block, derive motion information of the current block using a merge candidate index and the list of merge candidates of the current block, and perform inter-prediction of the current block using the derived motion information.
H04N 19/119 - Adaptive subdivision aspects e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
H04N 19/137 - Motion inside a coding unit, e.g. average field, frame or block difference
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/159 - Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Lee, Bae Keun
Jun, Dong San
Abstract
The image encoding/decoding method and device according to the present invention can construct a merge candidate list of a current block, derive motion information of the current block on the basis of the merge candidate list and a merge index of the current block, derive a motion vector difference of the current block, correct a motion vector of the current block by means of the motion vector difference, and carry out motion compensation on the current block by means of the corrected motion vector.
H04N 7/12 - Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal
H04N 19/139 - Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/46 - Embedding additional information in the video signal during the compression process
Inter prediction encoding and decoding method using combination of prediction blocks, and computer-readable storage medium bitstream to be decoded thereby
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Kim, Jae Gon
Park, Do Hyeon
Yoon, Yong Uk
Do, Ji Hoon
Abstract
An encoding/decoding method and device according to the present disclosure may: determine at least one among a plurality of inter prediction modes as the inter prediction mode of the current block; form an inter prediction candidate list on the basis of the determined inter prediction mode; perform motion compensation on the basis of one prediction candidate in the inter prediction candidate list, and generate a first prediction block of the current block; and correct the first prediction block by using a prescribed intra prediction mode.
H04N 19/109 - Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/51 - Motion estimation or motion compensation
82.
METHOD AND DEVICE FOR VIDEO CODING USING VARIOUS TRANSFORM TECHNIQUES
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Ahn, Yong Jo
Ryu, Ho Chan
Abstract
The present invention relates to a method and a device for decoding an image, which improve encoding and decoding efficiency by performing various forms of transform and inverse transform during transform and inverse transform processes of a video coding technique.
H04N 19/44 - Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
H04N 19/136 - Incoming video signal characteristics or properties
H04N 19/184 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being bits, e.g. of the compressed video stream
H04N 19/60 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
Intellectual Discovery Co., Ltd. (Republic of Korea)
Inventor
Shimizu, Kazuhiko
Abstract
A smoking tool according to the present invention includes: a heater configured to heat tobacco leaves inserted into the tool; and an atomizer configured to generate electronic cigarette smoke, in which the atomizer generates the electronic cigarette smoke when a smoker inhales air, such that the smoker inhales the smoke to which nicotine or tobacco flavor generated by heating the tobacco leaves is added.
Intellectual Discovery Co., Ltd. (Republic of Korea)
Inventor
Ryu, Ho Chan
Ahn, Yong Jo
Abstract
A decoding method comprises the steps of: combining two or more encoding units of maximum size into a single encoding unit group; acquiring encoding data corresponding to the combined single encoding unit group; and decoding, according to a decoding order, the two or more encoding units of maximum size contained in the single encoding unit group. Also disclosed is a block partitioning structure used for encoding and decoding video.
H04N 19/70 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/119 - Adaptive subdivision aspects e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
H04N 19/88 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving rearrangement of data among different coding units, e.g. shuffling, interleaving, scrambling or permutation of pixel data or permutation of transform coefficient data among different blocks
H04N 19/46 - Embedding additional information in the video signal during the compression process
H04N 19/44 - Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
H04N 19/134 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
H04N 19/169 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
85.
METHOD AND APPARATUS FOR COMPRESSION AND TRAINING OF NEURAL NETWORK
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Ahn, Yongjo
Lee, Jongseok
Abstract
A neural-network-based signal processing method and apparatus according to the present invention may: receive a bitstream including information about a neural network model, wherein the bitstream includes at least one neural network access unit; obtain information about the at least one neural network access unit from the bitstream; and reconstruct the neural network model on the basis of the information about the at least one neural network access unit.
Intellectual Discovery Co., Ltd. (Republic of Korea)
Inventor
Ahn, Yong Jo
Ryu, Ho Chan
Abstract
The present invention provides an image encoding method and an image decoding method. The image decoding method of the present invention may comprise: obtaining intra-frame prediction information of a current block from a bitstream; inducing an intra-frame prediction mode of the current block on the basis of the intra-frame prediction information; determining a reference region for intra-frame prediction of the current block; and performing intra-frame prediction of the current block on the basis of the intra-frame prediction mode and the reference region.
H04N 19/00 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
H04N 19/159 - Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/139 - Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
87.
INTER-IMAGE COMPONENT PREDICTION METHOD, AND IMAGE ENCODING AND DECODING METHOD AND DEVICE USING SAME
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Kim, Jae Gon
Park, Do Hyeon
Yoon, Yong Uk
Do, Ji Hoon
Abstract
An image encoding and decoding method comprises the steps of: determining an inter-component prediction mode of a chrominance component block on the basis of an inter-component prediction mode list and predetermined index information; determining a reference sample for inter-component prediction of the chrominance component block on the basis of the determined inter-component prediction mode; deriving the parameters of a linear prediction model by using the reference sample; and performing inter-component prediction for the chrominance component block by using the parameters of the linear prediction model.
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/186 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
H04N 19/109 - Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/167 - Position within a video image, e.g. region of interest [ROI]
H04N 19/46 - Embedding additional information in the video signal during the compression process
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Lee, Bae Keun
Jun, Dong San
Abstract
Image encoding/decoding methods and apparatuses according to the present invention may generate a prediction block of a current block based on a pre-defined prediction mode, generate a transform block of the current block through predetermined transformation, and reconstruct the current block based on the prediction block and the transform block.
H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/11 - Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
H04N 19/119 - Adaptive subdivision aspects e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
H04N 19/122 - Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
H04N 19/132 - Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/129 - Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
89.
Image encoding/decoding method and device, and recording medium storing bit stream
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Ko, Hyun Suk
Lim, Sung Chang
Kang, Jung Won
Lee, Jin Ho
Lee, Ha Hyun
Jun, Dong San
Kim, Hui Yong
Abstract
The present invention relates to an image encoding/decoding method and apparatus. The image decoding method according to the present invention may comprise configuring an MPM list based on intra-prediction modes of neighbor blocks of a current block and a number of frequencies of the intra-prediction modes of the neighbor blocks, deriving an intra-prediction mode of the current block based on the MPM list, and performing intra-prediction for the current block based on the intra-prediction mode.
H04N 19/00 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/184 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being bits, e.g. of the compressed video stream
90.
Method and device for encoding/decoding image, and recording medium having stored bitstream
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Lim, Sung Chang
Kang, Jung Won
Ko, Hyun Suk
Lee, Jin Ho
Lee, Ha Hyun
Jun, Dong San
Kim, Hui Yong
Abstract
The present invention relates to an image encoding/decoding method. The image decoding method includes splitting a coding tree unit (CTU) into at least one coding unit (CU) according to a block splitting structure and performing CU-based decoding, in which the block partition structure is configured such that at least one of binary tree splitting and ternary tree splitting is performed after quadtree splitting is performed.
H04N 19/119 - Adaptive subdivision aspects e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
H04N 19/159 - Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/186 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
H04N 19/169 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
H04N 19/46 - Embedding additional information in the video signal during the compression process
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Lee, Jea Ho
Abstract
The present disclosure relates to a method, apparatus, and computer program for tracking local contact security in a wireless communication system, and a recording medium therefor. A method for performing an exposure notification service by a first device of a wireless communication system, according to an embodiment of the present disclosure, comprises the steps of: periodically broadcasting a first advertising packet including a proximity identifier of the first device; periodically scanning one or more second advertising packets including proximity identifiers of one or more second devices; and determining whether or not the proximity identifiers of the one or more second devices match a diagnosis key, or receiving information about the matching or not. The proximity identifier of the first device may be changed according to a predetermined period.
H04W 4/80 - Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
H04W 4/021 - Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences
H04W 4/029 - Location-based management or tracking services
H04W 12/47 - Security arrangements using identity modules using near field communication [NFC] or radio frequency identification [RFID] modules
H04W 12/02 - Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Lee, Jea Ho
Abstract
The present disclosure relates to a method, a device, and a computer program for selecting a channel in a wireless communication system, and to a recording medium therefor. The method for selecting a channel by a first device in a wireless communication system, according to one embodiment of the present disclosure, may comprise the steps of: receiving a channel categorization report from a second device; and determining a channel map on the basis of at least one of the channel categorization report, a channel sensing result of the first device, and information provided by a host of the first device.
H04W 4/80 - Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Ahn, Yong Jo
Ryu, Ho Chan
Abstract
The present invention relates to block merging according to block split among video coding techniques, and a method and an apparatus for coding and decoding a video, in which in generating and modifying a block merging list, spatial merging candidate blocks of the block merging list are changed according to a split type and order of a current coding unit.
H04N 19/577 - Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
H04N 19/61 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
H04N 19/82 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals - Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
H04N 19/91 - Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Ahn, Yong Jo
Abstract
A video coding/decoding method and device, according to the present invention, may enable: deriving an intra-frame prediction mode of a current block; configuring a reference pixel for the intra-frame prediction of the current block; and carrying out the intra-frame prediction of the current block on the basis of the intra-frame prediction mode and the reference pixel. The intra-frame prediction mode of the current block is derived on the basis of any one of MPM candidates or a predetermined default mode.
H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/117 - Filters, e.g. for pre-processing or post-processing
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/182 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a pixel
95.
VIDEO CODING METHOD AND DEVICE, AND RECORDING MEDIUM STORING BITSTREAM
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Ahn, Yong Jo
Lee, Jong Seok
Abstract
An image encoding/decoding method and device according to the present invention may comprise: acquiring information for matrix-based prediction of a current block; and generating a prediction block of the current block on the basis of the information for the matrix-based prediction.
H04N 19/119 - Adaptive subdivision aspects e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/426 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals - characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements using memory downsizing methods
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
H04N 19/59 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
H04N 19/132 - Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
96.
METHOD, DEVICE AND COMPUTER PROGRAM FOR CLOUD-AUTHENTICATED PAIRING IN WIRELESS COMMUNICATION SYSTEM, AND RECORDING MEDIUM THEREFOR
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Lee, Jea Ho
Abstract
The present disclosure relates to a method, device and computer program for cloud-authenticated pairing in a wireless communication system, and a recording medium therefor. A method for carrying out account-based pairing in a wireless communication system, according to one embodiment of the present disclosure, may comprise the steps in which: a seeker device acquires credential information of a provider device from a server; the seeker device acquires, from the provider device, an advertising packet comprising a hash value which is based on the credential information; and the seeker device establishes a connection with the provider device on the basis of the acquired credential information and the hash value which is based on the acquired credential information.
H04W 4/80 - Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
97.
AUTHENTICATION METHOD, APPARATUS, AND COMPUTER PROGRAM FOR CONNECTIONLESS ASSET TRACKING IN WIRELESS COMMUNICATION SYSTEM, AND RECORDING MEDIUM THEREOF
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Lee, Jea Ho
Abstract
The present disclosure relates to a method, an apparatus, and a computer program for authenticating a connectionless asset tracking service in a wireless communication system, and a recording medium for the computer program. According to one embodiment of the present disclosure, the method for authenticating a connectionless asset tracking service in a wireless communication system comprises the steps in which a first device: receives an advertising packet from a second device; determines whether at least one advertising data (AD) structure included in the advertising packet is an AD structure related to a connectionless asset tracking service, and on the basis of security key information, decodes the AD structure related to the connectionless asset tracking service; and determines a location on the basis of the AD structure related to the connectionless asset tracking service, wherein an AD type field of the AD structure related to the connectionless asset tracking service may comprise a value indicating a connectionless asset tracking service.
H04W 4/029 - Location-based management or tracking services
H04W 4/80 - Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
98.
Image decoding method/device, image encoding method/device, and recording medium in which bitstream is stored
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Ahn, Yong Jo
Abstract
An image encoding/decoding method and device according to the present disclosure may configure a reference sample for a cross component prediction of a chroma component block, derive a cross component prediction parameter by using the reference sample, and make a cross component prediction of the chroma component block on the basis of the cross component prediction parameter and a luma component block corresponding to the chroma component block.
H04N 19/186 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/11 - Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
H04N 19/132 - Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
99.
Image encoding/decoding method and device employing in-loop filtering
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Lim, Sung Chang
Kang, Jung Won
Lee, Ha Hyun
Jun, Dong San
Ko, Hyun Suk
Lee, Jin Ho
Kim, Hui Yong
Abstract
The present invention relates to a video encoding/decoding method and apparatus. The video decoding method according to the present invention may comprise decoding filter information on a coding unit; classifying samples in the coding unit into classes on a per block classification unit basis; and filtering the coding unit having the samples classified into the classes on a per block classification unit basis by using the filter information.
H04N 19/00 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
H04N 19/117 - Filters, e.g. for pre-processing or post-processing
H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
H04N 19/132 - Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
H04N 19/186 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
H04N 19/169 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
H04N 19/82 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals - Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
100.
METHOD, APPARATUS, AND COMPUTER PROGRAM FOR CONNECTIONLESS ASSET TRACKING IN WIRELESS COMMUNICATION SYSTEM, AND RECORDING MEDIUM THEREOF
INTELLECTUAL DISCOVERY CO., LTD. (Republic of Korea)
Inventor
Lee, Jea Ho
Abstract
The present disclosure relates to a method, an apparatus, and a computer program for a connectionless asset tracking service in a wireless communication system, and a recording medium thereof. A method for a connectionless asset tracking service in a wireless communication system according to an embodiment of the present disclosure may comprise the steps in which a first device: receives an advertising packet from a second device; determines whether at least one advertising data structure (AD structure) included in the advertising packet is an AD structure related to a connectionless asset tracking service; and on the basis of the AD structure related to the connectionless asset tracking service, determines the location of the second device, wherein an AD type field of the AD structure related to the connectionless asset tracking service includes a value indicating a connectionless asset tracking service.
H04W 4/029 - Location-based management or tracking services
H04W 4/80 - Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
H04L 29/06 - Communication control; Communication processing characterised by a protocol
H02J 50/20 - Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves