A handover supporting method performed by a handover supporting device according to an embodiment comprises the steps of: acquiring information about the movement direction of aircraft flying along a preset flight path in a service area on an aerial network including a plurality of wireless cells; determining, on the basis of the information about the movement direction, one of a first mode or a second mode in which conditions for handover between the plurality of wireless cells are different; and determining handover of the aircraft or a communication device, mounted on the aircraft, for aerial networks on the basis of the handover condition corresponding to the determined one mode.
The present invention relates to a scheme to extend cell coverage by using subband non-overlapping full duplex (SBFD) technology in a dynamic time division duplexing environment.
A device and a method for emotion recognition are disclosed. According to an aspect of the present invention, an emotion recognition method implemented by a computer is provided. The emotion recognition method includes the steps of: obtaining an input feature indicating text data, audio data, or image data of a user; extracting representative features corresponding to a plurality of emotion classes from a queue for storing at least one feature with respect to each of the plurality of emotion classes, the representative features corresponding to the plurality of emotion classes, respectively, the features stored in the queue being obtained by classifying user's previous input features into one of the plurality of emotion classes; determining an emotion of the user by using the input feature and the representative features; and storing, as a feature of an emotion class corresponding to the emotion of the user, the input feature in the queue.
G10L 25/63 - Speech or voice analysis techniques not restricted to a single one of groups specially adapted for particular use for comparison or discrimination for estimating an emotional state
G10L 15/04 - Segmentation; Word boundary detection
A method and a device for off-demand based content downloading are disclosed. According to an aspect of the present disclosure, provided is an operation method of a terminal for pre-downloading content prior to a request of a user, the method comprising the processes of: obtaining an identifier assigned to the terminal; obtaining a list of one or more contents organized through a personalized recommendation for the user; and downloading at least a part of the one or more contents in one or more time sections determined on the basis of the identifier among preconfigured pre-download sections.
H04N 21/458 - Scheduling content for creating a personalised stream, e.g. by combining a locally stored advertisement with an incoming stream; Updating operations, e.g. for OS modules
H04N 21/482 - End-user interface for program selection
H04N 21/443 - OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
H04N 21/466 - Learning process for intelligent management, e.g. learning user preferences for recommending movies
H04N 21/41 - Structure of client; Structure of client peripherals
6.
METHOD AND APPARATUS FOR DIAGNOSING VOICE DISORDER USING PITCH TREMOR FEATURE
Disclosed are a method and apparatus for diagnosing a voice disorder using a pitch tremor feature. According to an aspect of the present disclosure, provided is a diagnosis apparatus comprising: a biomarker generator that generates, from a voice, at least one biomarker including pitch tremor feature data, which is an indicator for determining a change in harmonics of the voice on a time axis and a frequency axis; a voice feature extractor that extracts a voice feature vector from the biomarker; and a classifier that calculates a probability value for at least one voice disorder by using the voice feature vector.
A61B 5/00 - Measuring for diagnostic purposes ; Identification of persons
G16H 50/20 - ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for computer-aided diagnosis, e.g. based on medical expert systems
G16H 50/50 - ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for simulation or modelling of medical disorders
7.
METHOD AND DEVICE FOR PARTITIONING AIRWAY OF UAM INTO MULTIPLE SECTIONS ON BASIS OF INFORMATION ON TRAVEL REGION
A method for partitioning an airway of urban air mobility (UAM) into multiple sections by an airway partition device according to an embodiment may comprise the steps of: obtaining information on a travel region of the UAM; and partitioning an airway formed in the travel region into multiple sections on the basis of the information on the travel region, wherein the information on the travel region comprises at least one of information on a zone of interest in the travel region and information on an event having occurred in the travel region.
The present invention presents a plan, which implements a specific technique that can make a service request procedure of a UE efficient by reducing signaling occurring in the service request procedure, and thus makes overall network performance more efficient with respect to various aspects such as in reducing computing resource consumption for the service request procedure and in shortening latency of a UE connecting to a data network.
H04W 8/22 - Processing or transfer of terminal data, e.g. status or physical capabilities
H04W 8/02 - Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
A method of seamless playback between download data and streaming data by using a local web server, and a device therefor are disclosed. An aspect of the present disclosure provides an operation method of a terminal for seamless playback of content, the method comprising the steps in which: a download agent downloads initial segments that are at least some of media segments configuring each of multiple pieces of content, and stores the downloaded initial segments in a storage; a local web server transfers, to a player, initial segments of first content among media segments stored in the storage; and the local web server requests the download agent to download the remaining segments of the first content.
H04N 21/472 - End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification or for manipulating displayed content
H04N 21/433 - Content storage operation, e.g. storage operation in response to a pause request or caching operations
H04N 21/845 - Structuring of content, e.g. decomposing content into time segments
H04N 21/482 - End-user interface for program selection
G06F 3/04845 - Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range for image manipulation, e.g. dragging, rotation, expansion or change of colour
10.
AERIAL VEHICLE COMMUNICATION DEVICE AND HANDOVER METHOD THEREOF, AND WIRELESS COMMUNICATION SUPPORT DEVICE AND HANDOVER SUPPORT METHOD THEREOF
A handover support method performed by a wireless communication support device for supporting wireless communication of an aerial vehicle according to an embodiment comprises the steps of: acquiring preset navigation route information for the aerial vehicle; determining, on the basis of the navigation route information, a handover sequence and serving cells among wireless cells providing wireless communication for the aerial vehicle; and transferring information about conditional handover to the aerial vehicle according to the determined handover order.
RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY (Republic of Korea)
SK TELECOM CO., LTD. (Republic of Korea)
Inventor
Kim, Bokkeun
Choo, Hyun Seung
Lee, Dong Jin
Choi, Hyun Jun
Park, Joong Gunn
Abstract
In a method for operating data analysis devices, including first data analysis devices distributed in a network and a centralized second data analysis device, according to an embodiment, the first data analysis devices collect mobility data of a user terminal from mobility management devices in the network, the second data analysis device preprocesses the mobility data, the second data analysis device applies the preprocessed mobility data to a prediction model based on a neural network and trains the prediction model to predict base stations serving a target location to which the user terminal is predicted to move by the prediction model, and the trained prediction model and identification information about the user terminal can be transferred to the first data analysis devices.
H04W 68/04 - User notification, e.g. alerting or paging, for incoming communication, change of service or the like multi-step notification using statistical or historical mobility data
H04W 68/02 - Arrangements for increasing efficiency of notification or paging channel
H04W 8/02 - Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY (Republic of Korea)
SK TELECOM CO., LTD. (Republic of Korea)
Inventor
Kim, Bokkeun
Choo, Hyun Seung
Park, Joong Gunn
Choi, Hyun Jun
Lee, Dong Jin
Abstract
A server according to one embodiment can collect mobility data of user terminals and group the user terminals into clusters on the basis of the similarity of the mobility data. The server applies identification information of the clusters to which the grouped user terminals belong and previous movement paths of the grouped user terminals to a neural network-based prediction model, thus making it possible to train a prediction model to predict a base station serving moving locations of the user terminals belonging to each cluster.
H04W 8/02 - Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
H04W 64/00 - Locating users or terminals for network management purposes, e.g. mobility management
The present disclosure provides a method and a device for improving image quality on the basis of a super-resolution neural network. According to one embodiment of the present disclosure, provided is a method for improving image quality optimized for distortion characteristics of a target image, comprising the steps of: generating one or more learning data sets to which one or more distortions are added; inputting the one or more learning data sets into a degradation encoder neural network (DEN) so as to acquire each learning distortion characteristic value; inputting a service data set including an image patch of the target image into the DEN so as to acquire a service distortion characteristic value; calculating the similarity between each of the learning distortion characteristic value and the service distortion characteristic value; and selecting the learning data set that is most similar to the service distortion characteristic value.
A dialog system using mapping of user intent is disclosed. The present embodiment provides a dialog system using a method for, in generation of a dialog scenario, expressing user intent on the basis of mapping in order to efficiently and intuitively describe the dialog scenario corresponding to various user input patterns.
The present disclosure provides a method and a device for synchronization between a video frame and an audio frame on the basis of high-speed transmission of a VoD content. A content transmission server comprises a transceiver and a processor. The transceiver receives, from a content requesting terminal, a search request for a specific playback time within the VoD content. In response to the search request, the processor: deletes one or more audio frames existing between a video frame that corresponds to the requested playback time and an audio frame that corresponds to the requested playback time; and generates content data reconstructed to include all or part of frames existing in a period of time from the video frame that corresponds to the requested playback time to the audio frame that corresponds to the requested playback time. The transceiver transmits the reconstructed content data to the content requesting terminal.
H04N 21/43 - Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronizing decoder's clock; Client middleware
H04N 21/472 - End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification or for manipulating displayed content
H04N 21/232 - Content retrieval operation within server, e.g. reading video streams from disk arrays
H04N 21/262 - Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission or generating play-lists
16.
METHOD AND DEVICE FOR ESTIMATING ATTRIBUTES OF PERSON IN IMAGE
Disclosed are a method and device for estimating attributes of a person in an image. According to one aspect of the present invention, provided is a method for estimating attributes of a person in an image, the method comprising the steps of: detecting a subject region including a whole body region, a visible body region, and a head region of a person in an input image; determining whether to estimate attributes of the person on the basis of at least one of the relative position of the head region with respect to the whole body region or the proportion of overlapping regions between the whole body region and the visible body region; and estimating the attributes of the person on the basis of the input image when it is determined that the attributes of the person are to be estimated.
The present disclosure provides a multimodal-based method and apparatus for recognizing emotions in real time. According to one aspect of the present disclosure, provided is a method by which an emotion recognition apparatus recognizes emotions by using an audio stream, comprising the steps of: receiving an audio signal having a predetermined unit length so as to generate an audio stream corresponding to the audio signal; converting the audio stream into a text stream corresponding to the audio stream; and outputting a multi-modal emotion corresponding to the audio signal by inputting the audio stream and the converted text stream into a pre-trained emotion recognition model.
G10L 25/63 - Speech or voice analysis techniques not restricted to a single one of groups specially adapted for particular use for comparison or discrimination for estimating an emotional state
One aspect of the present disclosure provides a method for automatically removing a background sound source of audio data of a video. The method for removing a background sound source comprises the steps of: separating audio data of a video comprising at least one sound source component into a first component relating to a human voice and a second component relating to sounds other than the human voice, by means of a first separation model; separating the first component into a vocal component and a speech component by means of a second separation model; separating the second component into a music component and a noise component by means of a third separation model; and generating audio data having the background sound source removed from the audio data of the video, by synthesizing the speech component and the noise component.
G10L 25/81 - Detection of presence or absence of voice signals for discriminating voice from music
G10L 25/18 - Speech or voice analysis techniques not restricted to a single one of groups characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band
G10L 25/51 - Speech or voice analysis techniques not restricted to a single one of groups specially adapted for particular use for comparison or discrimination
G10L 25/30 - Speech or voice analysis techniques not restricted to a single one of groups characterised by the analysis technique using neural networks
G11B 27/02 - Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
H04N 21/434 - Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams or extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
H04N 21/439 - Processing of audio elementary streams
The present invention proposes a new type of resource control technology which enables optimal operation by improving the capacity of a control channel of NR, particularly, an NR PDCCH, during a DSS operation in which LTE/NR dynamically shares frequencies.
The present invention proposes a technology for realizing uniform network functions (NFs) for a UE as well as 5G devices (e.g., a CP node and an UP node), by realizing a specific technology for evolving the UE and realizing network functions thereof through a 5G architecture. In addition, the present invention relates to a terminal device, and the terminal device may be configured by a service-based architecture (SBA) that performs communication by using a message according to a service-based interface (SBI) between network functions (NFs).
METHOD FOR DETERMINING POSE OF NEW AVATAR THAT HAS ENTERED VIRTUAL SPACE WITHIN METAVERSE PLATFORM, AND AVATAR POSE DETERMINATION APPARATUS PERFORMING SAID METHOD
A method for determining a pose of a new avatar entering a virtual space within a metaverse platform, performed by an avatar pose determination apparatus, according to an embodiment of the present invention, may comprise the steps of: collecting activity information of at least one participant avatar entering the virtual space; determining, on the basis of the activity information of the at least one participant avatar, a core avatar from among the at least one participant avatar; and determining the pose of the new avatar on the basis of the location of the core avatar.
The present invention proposes a new adaptive channel estimation technology which, by reflecting the mobility of a terminal (UE), enables CSI report-based accurate channel estimation according to bundled CSI-RS transmission & CSI reporting with respect to the terminal (UE) moving at high speed, so as to minimize downlink transmission performance degradation for the terminal (UE) even when the terminal is moving at high speed.
H04B 7/06 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
The present invention proposes a new adaptive channel estimation technology which, by reflecting the mobility of a terminal (UE), enables accurate channel estimation on the basis of a CSI-feedback transmitted timely/at an earlier time point from the terminal (UE) moving at high speed, so as to minimize downlink transmission performance degradation for the terminal (UE) even when the terminal is moving at high speed.
H04L 5/00 - Arrangements affording multiple use of the transmission path
H04B 7/06 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
24.
SESSION CONTROL DEVICE, SIGNALING CONTROL METHOD PERFORMED BY SAME DEVICE, DATA TRANSMISSION DEVICE, AND DATA PROCESSING METHOD PERFORMED BY SAME DEVICE
The present invention proposes a method capable of minimizing data transmission latency by implementing a specific technical feature of avoiding additional latency of data transmission due to an additionally performed network triggered service request procedure in a situation where signaling processing is delayed compared to a data transmission rate.
The present invention relates to an edge platform management device, an operating method of the edge platform management device, and an edge gateway device, which enable multi-tenancy to be efficiently supported in an edge platform required in a mobile-edge computing (MEC) environment.
The present invention relates to an edge platform management device, a method for operating the edge platform management device, and an edge gateway device, the edge platform management device presenting an efficient linking method between a layer 2 (L2)-based switch and a layer 3 (L3)-based traffic processing gateway node in a mobile-edge computing (MEC) environment.
The present invention provides a method for realizing a new type of purpose-of-stay prediction technology which enables prediction of a user's purpose of stay regardless of multiple choices, without predetermining multiple choices for purpose-of-stay prediction.
G06F 16/909 - Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using geographical or spatial information, e.g. location
The present invention relates to an edge setup server, an edge enable server, and an operation method therefor, the edge setup server being capable of minimizing signaling, which is required during the re-access of a terminal device in a multi-access edge computing (MEC) service environment in which an edge computing service can be used through an edge cloud site (MEC site) that is closest to a network access location of the terminal device.
The present invention relates to an edge computing router and an operation method thereof, the edge computing router controlling a paging procedure for an idle terminal in order to transmit, to the terminal, downlink traffic occurring in an edge application.
A 5G-based production, logistics management, and cloud-oriented machine vision service providing method according to an embodiment of the present invention comprises the steps of: specializing, through an ultralow latency ultrahigh speed large capacity network, large volume data and control data, the real-time property of which matters, and processing a service such as a robot control and a quality check through machine learning; capturing an image of a product by a high-resolution camera connected to the network, and determining whether the product is defective, by using an algorithm trained through machine learning; providing a factory automation service by using a multi-function robot in which the network, a robot vision system, a 6-axis collaborative robot arm, and an AMR are integrated; augmenting, in real time, in-plant installation state and sensor information in an AR device, and providing a manual support augmentation service; and controlling a 5G-based flexible production testbed.
Disclosed is a fallback triggering method and apparatus using an RRC establishment cause in a communication system. An aspect of the present disclosure provides a base station of a first wireless communication system, which triggers a fallback to a second wireless communication system from the first wireless communication system, the base station comprising: a receiving unit for receiving an RRC connection request message from a terminal, and checking whether the terminal requests a call service by using the RRC connection request message; and a fallback trigger unit for triggering a fallback to the second wireless communication system when the terminal requests the call service.
A method for determining the pose of a camera included in a user terminal according to an embodiment of the present invention may comprise the steps of: on the basis of whether a first pose of the camera has been validly predicted in a first query image obtained by the user terminal shooting a place where the user terminal is located, determining a prediction mode of predicting a second pose of the camera in a second query image obtained by shooting the place by the user terminal after the first query image; and on the basis of the determined prediction mode, determining the second pose.
The preset application provides a method by which a license plate character extraction device extracts characters from a vehicle license plate. The method may comprise the steps of: converting, into a gray tone image, a pre-inputted image acquired by capturing a license plate of a vehicle; comparing the color value of a pixel included in the grey tone image to a first average of color values of pixels in the vicinity of the pixel, so as to generate a converted image; comparing the converted image to a binarized image obtained by binarizing the converted image, so as to generate a refined image; and extracting characters included in the refined image.
The present invention relates to a technology for defining/implementing a transmission system that transmits information for analysis from a user plane function (UPF) to a network data analytics function (NWDAF), characterized in that specific information of a user plane (UP) required for analysis is transmitted to the NWDAF through a service based interface (SBI) that is based on a service between network functions (NFs).
The present invention proposes a method for uniformly transforming, for NF communication, functions of all equipment (RAN and Core) ranging from a 5G Core to an RAN, through the realization of specific techniques to evolve functions of RAN equipment into a 5G architecture and to implement the functions for NF communication.
An image inpainting method and device are disclosed. An image inpainting method is provided. According to an aspect of the present disclosure, the method, for inpainting a region hidden behind an object included in an image, comprises the steps of: selecting, from the frames of the image, a target frame from which the object is to be removed and a reference frame which comprises information relating to an inpainting region inside the target frame hidden behind the object; and inpainting the target frame by performing inter inpainting and/or intra inpainting in accordance with the number of frames selected as the reference frame.
The present invention relates to an edge service support server and an operating method of the edge service support server, wherein the infrastructure of cloud computing technology is forward deployed to a central office of a service provider network so as to realize an ultra-low-latency edge computing service. According to the edge service support server and the operating method of the edge service support server of the present invention, a specific edge area matching public access information (a public IP) of a terminal is selected as an edge area closest to the terminal, from among edge areas that are being managed for each service coverage by a communication service provider network, and the terminal is enabled to use an edge computing service through the selected edge area. Therefore, the present invention can realize an ultra-low-latency edge computing service that minimizes a communication latency caused by a difference between distances from terminals to computing resources.
The present invention relates to a device and a method for enabling segmented division during session traffic processing in a user plane function (UPF) on the basis of the provision of information between a control plane and a user plane, wherein the UPF uses location information about a terminal to perform session traffic control of the terminal.
The present invention proposes a scheme for realizing a structure and a technology which can support direct linkage between services in an inter-MEC environment, the services being mounted in different MEC systems, respectively.
According to the present embodiment, the present disclosure provides an optimal method for transmitting a video set by a called party during a voice call connection as video customized alerting tones (CAT) to a calling party. More specifically, the present disclosure provides a communication protocol for negotiating and establishing a session for early media by using an early session model suggested by the 3GPP standard, in order to generate a video call that transmits video CAT in the form of early media from a voice call. In addition, the present disclosure provides a method for processing exceptions in a communication protocol for transmitting video CAT in order to ensure a stable call in situations in which an error occurs, a server fails, a terminal and a server malfunction, etc., in a codec negotiation process for video CAT in a network.
The purpose of the present invention is to implement a technology (approach) for ensuring application server mobility, which enables a terminal to uninterruptedly use a data service in real time even when an application server is changed.
The present embodiments provide a packet loss recovery device and method in which, in an internet protocol television (IPTV) multicast service, a cache server detects a lost packet by means of additional information received from an IPTV terminal and transmits the packet to the IPTV terminal so as to recover the packet loss.
H04N 21/231 - Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers or prioritizing data for deletion
H04N 21/435 - Processing of additional data, e.g. decrypting of additional data or reconstructing software from modules extracted from the transport stream
H04L 29/08 - Transmission control procedure, e.g. data link level control procedure
H04L 12/24 - Arrangements for maintenance or administration
H04L 7/027 - Speed or phase control by the received code signals, the signals containing no special synchronisation information extracting the synchronising or clock signal from the received signal spectrum, e.g. by using a resonant or bandpass circuit
43.
TRANSFER LEARNING APPARATUS AND METHOD USING SAMPLE-BASED REGULARIZATION TECHNIQUE
The present embodiment provides a transfer learning apparatus and method capable of improving the performance of a target model, when training, by using the small number of training samples, the target model initialized by adopting the structure and parameters of a pre-trained source model, by fine-tuning the target model by using a sample-based regularization technique that increases the similarity between features extracted from training samples included in the same class.
Disclosed is a network technology for establishing a point-to-multipoint (P2MP) communication smart factory by utilizing a particular wireless communication method (WiGig) having low incidence of interference .
The manufacturing big data-based machine learning apparatus and method according to the present invention provide a vibration data-based method for preprocessing and anomaly detection, an apparatus for manufacturing big data processing, and manufacturing big data-based machine learning apparatus and method.
G05B 19/418 - Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control (DNC), flexible manufacturing systems (FMS), integrated manufacturing systems (IMS), computer integrated manufacturing (CIM)
According to one embodiment of the present invention, a method by which a user plane function (UPF) node including a plurality of UPF instances performs quality-of-service (QoS) monitoring comprises: a step of performing QoS monitoring with respect to each of the plurality of UPF instances; and a step of storing results of the QoS monitoring, wherein each of the plurality of UPF instances may process at least one from among a packet detection rule (PDR), a forwarding action rule (FAR), a QoS enforcement rule (QER), and a usage reporting rule (URR).
A terminal control apparatus according to an embodiment comprises: a transceiver for acquiring information about each of a first terminal and a second terminal; and a processor for performing a predetermined determination associated with a user of each terminal on the basis of the acquired information about the first terminal and the second terminal, allowing a result of the determination to be provided to the first terminal, and, when role information about roles to be shared and performed by each of the first terminal and the second terminal is received, configuring operation modes of the first terminal and the second terminal on the basis of the received role information.
An apparatus for time synchronization of a relay apparatus, according to an embodiment of the present invention, comprises: a downlink reception unit for transmitting a downlink signal and a downlink transmission unit for forming a downlink path; an uplink reception unit and an uplink transmission unit for forming an uplink path for transmitting an uplink signal; a switch including an upper switch and a lower switch for performing switching such that the downlink path is formed in a downlink section and the uplink path is formed in an uplink section; a latency processor for compensating for time latency of any one of the downlink signal and the uplink signal; and a synchronization controller for controlling the switching of the switch such that the uplink section and the downlink section do not overlap in synchronization with the compensated time latency of the signal.
H03L 7/081 - Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop - Details of the phase-locked loop provided with an additional controlled phase shifter
H03L 7/087 - Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop - Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using at least two phase detectors or a frequency and phase detector in the loop
H04L 7/033 - Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal- generating means, e.g. using a phase-locked loop
49.
APPARATUS FOR TRANSMITTING AND RECEIVING DATA OF REPEATER APPARATUS AND METHOD THEREFOR
An apparatus for transmitting and receiving data of a repeater, according to an embodiment of the present invention, comprises: a wireless unit to which a unique port number for uniquely identifying the wireless unit and a hierarchical division unit connected to the wireless unit is allocated; a transmission unit for transmitting, when a packet using the unique port number as a destination port is received, the packet to the hierarchical division unit identified by the unique port number; and the hierarchical division unit for transmitting, when the packet is received, the packet to the wireless unit corresponding to the unique port number.
A method by which an access and mobility management function (AMF) node controls the connection time of a terminal, according to one embodiment of the present invention, comprises the steps of: receiving, from the terminal, information about a first connection time; and transmitting/receiving data to/from the terminal during the first connection time, wherein the information about the first connection time can indicate the time at which a PDU session is activated between the terminal and the AMF node.
An apparatus for controlling sensor-based network access, according to an embodiment of the present invention, comprises: an access management module that provides, to a terminal, permissible sensor information supporting a sensor-based network connection from among sensors held by the terminal; and a performance management module that stores the permissible sensor information, wherein the access management module, when receiving a list of the sensors held by the terminal from the terminal, extracts, from the performance management module, the permissible sensor information including a permission condition for permitting network access through the permissible sensors, and a list of the permissible sensors.
A method for splitting a picture and a decoding apparatus are disclosed. One embodiment of the present invention provides a method for splitting a picture comprising the steps of: decoding, from a bitstream, a split flag indicating whether a picture may be split into one or more sub-units; decoding split information from the bitstream when the split flag indicates that the picture may be split into the sub-units; and splitting the picture into the sub-units by using the split information. Representative drawing: Figure 9
H04N 19/119 - Adaptive subdivision aspects e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
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 19/184 - 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 19/174 - 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
53.
APPARATUS AND METHOD FOR HIGH-RESOLUTION OBJECT DETECTION
The present embodiment provides an object detection apparatus and method, wherein part images are adaptively generated for a high-resolution image on the basis of a preceding result of object detection and result of object tracking, and augmented images are generated by applying data augmentation to the part images. Accordingly, an object can be detected and tracked on the basis of artificial intelligence (AI) by using the generated augmented images, and re-inference can be performed on the basis of a result of the detection and tracking.
A method for restoring a residual block of a chroma block, and an image decoding device are disclosed. According to one embodiment of the present invention, a method for restoring a residual block of a chroma block on the basis of a joint coding of chroma residuals (JCCR) model comprises the steps of: determining the mode of the JCCR model on the basis of a Cb chroma component syntax element and a Cr chroma component syntax element; deriving residual samples of a corresponding chroma component from transform coefficients of the chroma component corresponding to the determined mode from among the Cb chroma component and the Cr chroma component; and inducing a residual block of the chroma block by using the derived residual samples. Representative drawing: figure 7
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 19/186 - 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 19/132 - 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 19/11 - Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
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 19/119 - 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
55.
METHOD AND APPARATUS FOR ACQUIRING INFORMATION ABOUT SUB-UNITS SPLIT FROM PICTURE
A method and apparatus for acquiring information about sub-units split from a picture are disclosed. According to an embodiment of the present invention, provided is a method for acquiring information about sub-units split from a picture. The method comprises the steps of: decoding, from a bitstream, coding tree unit (CTU) size information indicating the sizes of CTUs within the picture; decoding, from the bitstream, sub-picture split information expressing sub-pictures within the picture in the size units of the CTUs; decoding, from the bitstream, split information of one or more tiles within the picture; and decoding, from the bitstream, split information of one or more slices within the picture.
H04N 19/119 - Adaptive subdivision aspects e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
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 19/174 - 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 19/82 - 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 19/436 - 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 using parallelised computational arrangements
56.
METHOD AND DEVICE FOR TRACKING DIALOGUE STATE IN GOAL-ORIENTED DIALOGUE SYSTEM
The present embodiment provides a method and device for tracking a dialogue state, which enable easy service expansion into a multi-domain scenario in a dialogue system by tracking a dialogue state in a goal-oriented dialogue system by training on the basis of a nonparametric method using a distance metric and an attention mechanism between utterance and contextual meaning vectors corresponding to a domain and a slot type, when tracking the dialogue state.
A systolic array device according to one embodiment comprises a plurality of processing units arranged in a matrix form of M by N (M and N are natural numbers), wherein each of the processing units comprises: a processing element unit, which performs predetermined processing on the basis of data received from processing units arranged to be adjacent to their own direction, so as to output a result; and a transmission unit for either transmitting the received data or transmitting the result to processing units arranged to be adjacent to their other direction.
G06F 15/80 - Architectures of general purpose stored program computers comprising an array of processing units with common control, e.g. single instruction multiple data processors
58.
EDGE COMPUTING MANAGEMENT DEVICE AND OPERATING METHOD OF EDGE COMPUTING MANAGEMENT DEVICE
The present invention relates to an edge computing (multi-access edge computing, MEC) technology and, to an edge computing management device and an operating method of an edge computing management device, which provide a data roaming service by utilizing an edge computing cloud (MEC cloud) that exists in a communication provider network.
An apparatus for setting a gain of a radio frequency repeater, according to the present invention, comprises: a synchronization signal power calculation unit for determining, as synchronization signal power, the average of received power levels of a synchronization signal received a predetermined number of times or more; a downlink power calculation unit for calculating, on the basis of the synchronization signal power, downlink input power according to the ratio of the synchronization signal power to data channel signal power; and a downlink gain setting unit for setting, on the basis of the calculated downlink input power, a downlink gain of the radio frequency repeater in consideration of downlink output power of the hardware standard of the radio frequency repeater.
A method for adaptively setting a resolution, and an image decoding apparatus are disclosed. According to one embodiment of the present invention, a method for adaptively setting a resolution in picture units comprises the steps of: decoding maximum resolution information from a bitstream; decoding, from the bitstream, resolution information about a current picture; and setting the resolution of the current picture on the basis of the maximum resolution information or the resolution information, wherein the resolution information has a size less than or equal to that of the maximum resolution information.
H04N 19/587 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal sub-sampling or interpolation, e.g. decimation or subsequent interpolation of pictures in a video sequence
H04N 19/573 - Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
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 19/70 - 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
61.
MATRIX MULTIPLICATION METHOD AND DEVICE BASED ON WINOGRAD ALGORITHM
The present embodiment provides an operation device for generating a third matrix by multiplying a first matrix by a second matrix on the basis of a Winograd algorithm, the operation device comprising: a second cumulative value output unit, which comprises a plurality of second cumulative value operation units, wherein one second cumulative value operation unit accumulates a second multiplication value obtained by multiplying pairs of second matrix element values to each other, and either the output value of an adjacent second cumulative value operation unit or the calculated second multiplication value is selected so as to output a second cumulative value; and one or more row element value operation units, wherein one row element value operation unit accumulates a first matrix element multiplication value obtained by multiplying pairs of first matrix element values to each other, and the element value operation units calculate the element value of the third matrix by using the accumulated first matrix element multiplication value and the second cumulative value. In addition, provided is a method for designing an operation device, the method enabling enhanced performance in a low-precision operation when multiple degrees of precision are provided, and conservation of a hardware area when high-precision operation is supported.
Disclosed are a method for deriving a bidirectional prediction weight index and an image decoding device. According to an embodiment of the present invention, provided is a method for deriving a bidirectional prediction weight index, the method, which derives a bidirectional prediction weight index of a constructed candidate included in an affine merge candidate list, comprising the steps of: determining whether a plurality of target control points are available from among control points set in a current block; if the target control points are available, then checking prediction directions and reference pictures of the target control points; and if the prediction directions of the target control points are all bidirectional and the reference pictures are the same, then deriving the bidirectional prediction weight index from among bidirectional prediction weight index candidates of the target control points.
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 19/105 - 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
63.
NETWORK DEVICE AND METHOD FOR SEARCHING FOR EDGE SERVICE IMPLEMENTED IN NETWORK DEVICE
The present invention proposes a novel solution (technology) for achieving a service environment in which an edge service applicable to a subscriber in a control plane (control node) can be searched for and selected by searching for the edge service in UPF in response to a request of the control plane (control node).
Disclosed are an intra mode candidate configuration method and an image decoding device. An embodiment of the present invention provides a method for configuring intra mode candidates of a chroma block. The intra mode candidate configuration method comprises the steps of: determining whether an encoding mode for a luma region corresponding to the chroma block is available; if the encoding mode for the luma region is not available, setting a direct mode (DM) as a default mode among the intra mode candidates; and configuring the intra mode candidates including the DM.
H04N 19/11 - Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
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 19/70 - 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
65.
METHOD AND DEVICE FOR DERIVING INTRA-PREDICTION MODE
Disclosed are a method for deriving an intra-prediction mode, and an image decoding device. According to an embodiment of the present invention, provided is a method for deriving an intra-prediction mode, the method including: a step for acquiring, on the basis of reference line information indicating any one among a plurality of reference lines, most probable mode (MPM) information indicating whether an intra-prediction mode of the current block is included in an MPM list in which a planar mode is not included; a step for deducing, on the basis of the reference line information and the MPM information, planer information indicating whether the intra-prediction mode of the current block corresponds to the planar mode; and a step for using the planar information to derive the intra-prediction mode of the current block.
H04N 19/11 - Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
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 19/176 - 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 19/122 - Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
The present invention provides a new scheme (technology) which, during access between a user equipment and a cell (e.g., target cell) in a MIMO system, can minimize a data interruption time occurring on the user equipment side while normally performing the access procedure.
Disclosed are a method of restoration in subblock units, and an image decoding device. According to one embodiment of the present invention, provided is a method of restoration in subblock units which is a method of restoring a current block in units of subblocks included in the current block, comprising the steps of: decoding, from a bitstream, transform coefficients in a transform block of the current block, subblock information indicating a division form of the subblocks, and transform type information indicating a transform type applied to the transform block; deriving a residual block of the current block from the transform coefficients, on the basis of the transform type indicated by the transform type information and the subblock information; and filtering boundaries of the subblocks in a restored block of the current block derived on the basis of the residual block. [Representative drawing: Figure 4]
H04N 19/625 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
H04N 19/119 - Adaptive subdivision aspects e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
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
68.
IMAGE ANALYSIS DEVICE AND METHOD, AND METHOD FOR GENERATING IMAGE ANALYSIS MODEL USED FOR SAME
SEOUL NATIONAL UNIVERSITY R&DB (Republic of Korea)
Inventor
Kim, Taewan
Kim, Gunhee
Lee, Soochan
Abstract
An image analysis method according to an embodiment includes: a step for inputting a target image to at least one expert composed of a generative model and a discriminative model generated by learning a learning image; a step for analyzing the target image on the basis of an output value output from the at least one expert; a step for determining the validity of the analysis result for the target image on the basis of the probability that the input target image belongs to an input category of the at least one expert; and a step for classifying the target image into a new category if the analysis result for the target image is determined not to be valid.
The present invention provides an image decoding method in which a picture divided into coding tree blocks having the same sizes is predicted in units of blocks. The image decoding method comprises the steps of: decoding block vector information from a bitstream to reconstruct a block vector of a current coding block to be decoded in a current coding tree block, wherein the current coding block is one of blocks into which the current coding tree block is divided in a tree structure; and configuring, as a prediction block of the current coding block, a reference block indicated by the block vector in the picture in which the current coding block is located. [Representative drawing: figure 8]
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 19/593 - 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
70.
APPARATUS AND METHOD FOR ACQUISITION OF CORRECTION INFORMATION OF VEHICLE SENSOR
A method for determining correction information of a vehicle sensor according to an embodiment of the present invention comprises the steps of: acquiring estimated location information of a vehicle on the basis of matching information between a camera image photographed by a camera of the vehicle and a landmark of a precise map; and determining a scale factor for a wheel speed sensor of the vehicle, defined as a ratio between an estimated travel distance acquired on the basis of the acquired estimated vehicle location information and a travel distance of the vehicle detected by the wheel speed sensor.
B60W 40/02 - Estimation or calculation of driving parameters for road vehicle drive control systems not related to the control of a particular sub-unit related to ambient conditions
B60W 50/00 - CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT - Details of control systems for road vehicle drive control not related to the control of a particular sub-unit
71.
DRIVING INFORMATION PROVIDING METHOD, AND VEHICLE MAP PROVIDING SERVER AND METHOD
A method by which a vehicle map provision server provides a vehicle map, according to one embodiment of the present invention, comprises the steps of: receiving, from a first vehicle, first information including second driving information about a second vehicle in a first image; receiving, from a third vehicle, second information including fourth driving information about a fourth vehicle in a second image; determining whether the second vehicle is the same as the fourth vehicle by using the first information and the second information and creating a vehicle map by using the second driving information and/or the fourth information according to whether the second vehicle is the same as the fourth vehicle; predicting, from the vehicle map, a first vehicle map including the driving information about one or more vehicles on a driving route of the first vehicle at a current point; and transmitting the first vehicle map to the first vehicle.
B60W 40/02 - Estimation or calculation of driving parameters for road vehicle drive control systems not related to the control of a particular sub-unit related to ambient conditions
B60R 21/0134 - Electrical circuits for triggering safety arrangements in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over responsive to imminent contact with an obstacle
72.
LANDMARK LOCATION ESTIMATION APPARATUS AND METHOD, AND COMPUTER-READABLE RECORDING MEDIUM STORING COMPUTER PROGRAM PROGRAMMED TO PERFORM METHOD
Disclosed is a landmark location estimation method performed by a landmark location estimation apparatus, the method comprising: a step for identifying a type 1 landmark and a type 2 landmark among landmarks in images captured by an image capturing device of a vehicle and including various landmarks along a traveled route; a step for estimating the three-dimensional location of the type 1 landmark on the basis of a plurality of images in which the type 1 landmark has been identified, and a digital map including areas the vehicle has traveled; and a step for estimating the location of the type 2 landmark on a virtual plane including the three-dimensional location of the type 1 landmark.
Disclosed are a bidirectional inter-prediction method and an image decoding device. According to one embodiment of the present invention, provided is a bidirectional prediction method for inter-predicting a current block by using any one of a plurality of bidirectional prediction modes, the method comprising the steps of: decoding, from a bitstream, mode information indicating whether a first mode included in the plurality of bidirectional prediction modes is applied to the current block; when the mode information indicates the application, decoding, from the bitstream, first motion information including differential motion vector information and prediction motion vector information, and second motion information not including at least a portion of the differential motion vector information and the prediction motion vector information; deriving a first motion vector on the basis of the first motion information and deriving a second motion vector on the basis of at least a portion of the first motion information and the second motion information; and predicting the current block by using a reference block indicated by the first motion vector in a first reference picture and a reference block indicated by the second motion vector in a second reference picture.
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 19/70 - 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
74.
CODING TOOL SETTING METHOD AND IMAGE DECODING APPARATUS
Disclosed are a coding tool setting method and an image decoding apparatus. An embodiment of the present invention relates to a method for setting whether or not to use a coding tool, and provides a coding tool setting method comprising the steps of: decoding, from a bitstream, a profile syntax element indicating a target profile among one or more assignable profiles and a coding tool syntax element indicating whether or not to apply one or more coding tools that can be set; and setting, on the basis of the coding tool syntax element, one or more target coding tools included in the target profile to be on or off.
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 19/103 - Selection of coding mode or of prediction mode
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
A filtering method and an image decoding device are disclosed. According to one embodiment of the present invention, provided is a method by which an image decoding device performs filtering, comprising the steps of: determining, for a restored image, one or more block boundaries to which filtering is to be applied; setting the boundary strength of the block boundaries on the basis of the type of the block boundaries and preset conditions; and performing filtering on the basis of the set boundary strength. Representative drawing: FIG. 7
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 19/117 - 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 19/186 - 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 19/70 - 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
76.
METHOD FOR PROVIDING HIGH-PERFORMANCE MACHINE LEARNING, AND APPARATUS USING SAME
Provided according to an embodiment of the present invention are a method for providing high-performance machine learning and an apparatus using same. The method for providing high-performance machine learning comprises the steps of: collecting data; receiving the collected data; storing the received data; comparing and analyzing the stored data; and providing a result of the compared and analyzed data.
Disclosed are an inter prediction method and an image decoding device using same. An embodiment of the present invention provides an inter prediction method comprising the steps of: extracting a merge candidate flag and offset information from a bit stream; selecting a merge candidate corresponding to the extracted merge candidate flag, from a merge candidate list including, as merge candidates, neighboring blocks of a current block; determining a motion vector of the current block by applying the offset information to a motion vector of the selected merge candidate; and generating, as a prediction block of the current block, a block indicated by the motion vector of the current block within a reference picture referred by the selected merge candidate. [Representative drawing] figure 5
H04N 19/51 - Motion estimation or motion compensation
H04N 19/109 - Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
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
78.
METHOD AND DEVICE FOR SWITCHING MEDIA SERVICE CHANNELS
The present embodiment relates to a method and a device for switching media service channels, which minimize the time required to detect the first I frame for a switch channel by utilizing a caching server when switching channels in an IP-based media service, such as IPTV, and at the same time, minimize the time required for synchronization by changing time information in caching information transmitted from the caching server, such that channel switching between media service channels can be performed more quickly.
H04N 21/438 - Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving MPEG packets from an IP network
H04N 21/433 - Content storage operation, e.g. storage operation in response to a pause request or caching operations
H04N 21/231 - Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers or prioritizing data for deletion
H04N 21/2381 - Adapting the multiplex stream to a specific network, e.g. an IP [Internet Protocol] network
H04N 21/2383 - Channel coding of digital bit-stream, e.g. modulation
79.
APPARATUS AND METHOD FOR ESTIMATING LOCATION OF VEHICLE
An apparatus for estimating a location of a vehicle according to an embodiment comprises: a communication unit for receiving, from an information providing vehicle, identification information and location information about a driving vehicle in the vicinity of the information providing vehicle; a weighted value obtaining unit for obtaining a weighted value of the location information on the basis of the received identification information; a grid map generating unit for generating a probabilistic grid map of the driving vehicle for each of a plurality of points of time by using the location information to which the weighted value is applied; and a location estimating unit for determining a driving route of the driving vehicle on the basis of the probabilistic grid map and estimating a final location of the driving vehicle on the basis of the determined driving route.
B60W 40/10 - Estimation or calculation of driving parameters for road vehicle drive control systems not related to the control of a particular sub-unit related to vehicle motion
B60W 40/02 - Estimation or calculation of driving parameters for road vehicle drive control systems not related to the control of a particular sub-unit related to ambient conditions
B60W 50/00 - CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT - Details of control systems for road vehicle drive control not related to the control of a particular sub-unit
80.
IMPROVEMENT OF PREDICTION PERFORMANCE USING ASYMMETRIC TANH ACTIVATION FUNCTION
Provided is an asymmetric hyperbolic tanh function which can be used as an activation function irrespective of the structure of a neural network, according to one aspect of the present invention. The proposed activation function limits an output range thereof to between a maximum value and a minimum value of a variable to be predicted. The proposed activation function is suitable for a regression problem which requires the prediction of a wide range of real values on the basis of input data. Representative drawing: figure 3 Representative drawing: figure 3
A network device according to one embodiment comprises: a communication unit for receiving, from another network device (session management function (SMF)), a message related to the association between the other network device and the network device; and a message processing unit for acquiring, from the received message, transmission information on the basis of the type of a message to be transmitted from the network device to the other network device, and performing processing on the basis of the acquired transmission information so that the message to be transmitted is transmitted to the other network device.
According to an embodiment, a control plane network function comprises: a communicator for receiving a user plane packet (UPP); a packet analysis unit for analyzing whether the received UPP is processable; and a user plane processor for controlling the received UPP to be processed when the received UPP is analyzed to be processable, and controlling the received UPP to be transmitted to a user plane network function (UP NF) when the received UPP is analyzed to be unprocessable.
Disclosed are a prediction method using a current picture referencing mode, and an image decoding device therefor. Provided according to an embodiment of the present invention is a method for predicting a current block, which is a block to be decoded, by using a current picture referencing (intra block copy (ibc)) mode, the method comprising the steps of: decoding, from a bitstream, an enable flag indicating whether the application of the ibc mode is allowed, and type information indicating whether the type of slices is an inter type; depending on the enable flag and the type information, decoding from the bitstream an ibc flag indicating whether a prediction mode for the current block is the ibc mode; when the ibc flag indicates the ibc mode, decoding, from the bitstream, movement information having no index of pictures referred to by the current block; and predicting the current block by using a block indicated by the movement information within a current picture in which the current block is located. Representative drawing: figure 4
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 19/105 - 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 19/176 - 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
84.
METHOD AND APPARATUS FOR ENCODING AND DECODING QUANTIZED TRANSFORM COEFFICIENTS
The present disclosure relates to efficiently representing coefficients in a transform block. According to one aspect of the present disclosure, proposed is a set of modified syntax elements that represent validity information for coefficients, level information for valid coefficients, and sign information for valid coefficients. Representative drawing: figure 9
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
A method for updating a detailed map, according to one embodiment, comprises the steps of: acquiring two-dimensional images at a plurality of different positions by using a camera mounted on a vehicle; checking a moving trajectory of the camera for acquiring the two-dimensional images; generating a local landmark map by estimating, on the basis of surface information of a road on the detailed map, the three-dimensional position of a landmark for a lane near the moving trajectory of the camera; and updating the detailed map on the basis of the local landmark map.
A handover management method according to an embodiment is performed by a session management function (SMF) device, and comprises the steps of: receiving handover information associated with a terminal receiving a predetermined service by accessing a source base station; after the handover information is received, acquiring resource information about a resource used by the source base station when a high reliability-low delay service is provided to the terminal; and requesting a user plane function (UPF) device so that a resource corresponding to the acquired resource information is secured in a target base station.
A traffic processing monitoring method according to an embodiment is performed by a session management function (SMF) and comprises the steps of: delivering a measurement rule for the state of traffic processing to a user plane function (UPF) that processes the traffic; and in response to the delivery of the measurement rule, receiving, from the UPF, information about the state of traffic processing.
A method for acquiring coordinate conversion information, according to one embodiment, comprises the steps of: acquiring three-dimensional information, which includes first lane information corresponding to an adjacent lane of a vehicle, by means of the LiDAR of the vehicle, and a surroundings image, which includes second lane information corresponding to the lane, by means of the camera of the vehicle; acquiring first coordinate conversion information about the LiDAR and the camera by comparing the second lane information with the first lane information; and acquiring the second coordinate conversion information about the vehicle and the camera by using top view image conversion information, which is acquired on the basis of the surroundings image, and the traveling direction of the vehicle, .
An image projection device according to an embodiment comprises: a panel unit for emitting light rays; a projection optical system for receiving and refracting the light rays emitted from the panel unit; a reflection unit provided with a reflection surface for receiving and reflecting the light rays refracted by the projection optical system; and a screen unit for displaying an image by receiving the light rays reflected by the reflection surface, wherein the panel unit, the projection optical system, the reflection unit, and the screen unit arrange the distance projecting, on a predetermined linear axis, the shortest separation distance among the distances extending from the panel unit to the reflection unit through the projection optical system to be longer than the distance projecting, on the linear axis, the longest separation distance among the distances extending from the reflection unit to the screen unit.
A residual signal rearrangement method and an image decoding apparatus are disclosed. According to one embodiment of the present invention, a residual signal rearrangement method comprises the steps of: decoding, from a bitstream, transform coefficients in a transform block of a current block and transform type information indicating a transform type applied to the transform block; deriving a residual block from the transform coefficients according to the transform type indicated by the transform type information; and rearranging residual signals in the residual block according to any one of one or more rearrangement types.
H04N 19/625 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
H04N 19/129 - Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
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
91.
APPARATUS AND METHOD FOR DETECTING LANE INFORMATION, AND COMPUTER-READABLE RECORDING MEDIUM STORING COMPUTER PROGRAM PROGRAMMED TO EXECUTE SAME METHOD
A method for detecting lane information, according to one embodiment, comprises the steps of: obtaining first driving lane information corresponding to estimated position information of a vehicle from a high definition map; acquiring second driving lane information from a front image of the vehicle photographed by a camera installed in the vehicle; converting the first driving lane information and the second driving lane information according to the same coordinate system; and combining the converted first driving lane information and the converted second driving lane information to obtain final driving lane information.
G06K 9/00 - Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
B60W 40/02 - Estimation or calculation of driving parameters for road vehicle drive control systems not related to the control of a particular sub-unit related to ambient conditions
Disclosed are an inter-prediction method and an image decoding device. One embodiment of the present invention provides an inter-prediction method executed in an image decoding device comprises: a step of inducing a motion vector of a current block on the basis of motion information decoded from a bit stream; a step of obtaining a reference sample of a first reference block by using the motion vector by obtaining a reference sample of an external area located on the outside of a reference picture of the first reference block from an area within the reference picture, corresponding to the external area; and a step of predicting the current block on the basis of the obtained reference sample.
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 19/51 - 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
A parking guidance apparatus according to an embodiment comprises: a storage unit for storing parking state information of a parking slot within a predetermined space; a communication unit for receiving, from a first vehicle, occupancy state information of at least a part of the parking slot in the predetermined space; an update unit for updating the parking state information by using the received occupancy state information; and a control unit for, when the parking state information for the predetermined space is requested by a second vehicle through the communication unit, providing the second vehicle with a parking slot, which is in a parking-available state, determined on the basis of the updated parking state information.
G08G 1/14 - Traffic control systems for road vehicles indicating individual free spaces in parking areas
B60W 40/02 - Estimation or calculation of driving parameters for road vehicle drive control systems not related to the control of a particular sub-unit related to ambient conditions
G08G 1/0968 - Systems involving transmission of navigation instructions to the vehicle
94.
VEHICLE POSITION ESTIMATION DEVICE, VEHICLE POSITION ESTIMATION METHOD, AND COMPUTER-READABLE RECORDING MEDIUM FOR STORING COMPUTER PROGRAM PROGRAMMED TO PERFORM SAID METHOD
A vehicle position estimation method according to an embodiment comprises the steps of: obtaining initial position information of a camera by matching a landmark in a precision map corresponding to initial position information of a GPS-based vehicle to an image obtained by means of the camera of the vehicle; and obtaining estimated position information of the vehicle by means of a comparison result between the image and the landmark in the precision map corresponding to each of a plurality of candidate position information items sampled on the basis of the initial position information of the camera.
B60W 50/00 - CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT - Details of control systems for road vehicle drive control not related to the control of a particular sub-unit
B60W 40/02 - Estimation or calculation of driving parameters for road vehicle drive control systems not related to the control of a particular sub-unit related to ambient conditions
B60W 40/10 - Estimation or calculation of driving parameters for road vehicle drive control systems not related to the control of a particular sub-unit related to vehicle motion
A method for calibrating a camera for a vehicle according to an embodiment comprises the steps of: acquiring attitude angle information of a vehicle by using a traveling direction of a vehicle, which is obtained on the basis of a satellite signal, and a vertical direction of the surface of the ground, which is obtained on the basis of a precise map; acquiring attitude angle information of a camera of the vehicle by matching the precise map to an image obtained by the camera; and acquiring coordinate system transformation information between the vehicle and the camera by using the attitude angle information of the vehicle and the attitude angle information of the camera.
G06T 7/80 - Analysis of captured images to determine intrinsic or extrinsic camera parameters, i.e. camera calibration
G06T 7/41 - Analysis of texture based on statistical description of texture
B60W 40/02 - Estimation or calculation of driving parameters for road vehicle drive control systems not related to the control of a particular sub-unit related to ambient conditions
Disclosed are a method and device for encoding/decoding an image. One embodiment of the present invention relates to a method for configuring a level according to one or more regions, and provides a level configuration method comprising the steps of: decoding a level definition-related definition syntax element and a target designation-related designation syntax element from a bitstream; defining one or more levels on the basis of the definition syntax element; and configuring a target level, which is designated by the designation syntax element among the defined levels, for a target region designated by the designation syntax element. Representative drawing: figure 4
H04N 19/119 - Adaptive subdivision aspects e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
H04N 19/436 - 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 using parallelised computational arrangements
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 19/167 - Position within a video image, e.g. region of interest [ROI]
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 19/597 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding specially adapted for multi-view video sequence encoding
H04N 19/44 - Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
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
97.
APPARATUS AND METHOD FOR APPLYING ARTIFICIAL NEURAL NETWORK TO IMAGE ENCODING OR DECODING
The present disclosure relates to image encoding or decoding and, more specifically, to an apparatus and a method for applying an artificial neural network (ANN) to image encoding or decoding. The apparatus and the method of the present disclosure are characterized by applying a CNN-based filter coefficient to a first picture and at least one of a quantization parameter map and a block division map to output a second picture.
H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
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 19/105 - 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 19/86 - 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
A convolution operation method according to one embodiment of the present invention can comprise the steps of: extracting, such that each are different, a plurality of partial matrices, which are matrices that correspond to partial areas of feature data, which is an MxN matrix (M and N are natural numbers) and have the same dimension as a convolution kernel, which is a KxL matrix (K is a natural number of M or less, and L is a natural number of N or less); generating a first vector including, as an element, an element belonging to the at least one partial matrix from among elements of the feature data, and a second vector including, as an element, an element of the convolution kernel; extracting, for each of the partial matrices, a partial vector including all elements thereof and being a part of the first vector; and multiplying, for each of the partial matrices, respective elements of the corresponding partial vector and elements present at the corresponding position in the second vector, and adding all the results of the performed multiplication so as to calculate a convolution operation result with the convolution kernel.
POSTECH ACADEMY-INDUSTRY FOUNDATION (Republic of Korea)
Inventor
Seong, Hee Chang
Shin, Joon Young
Kang, Sung Yong
Hong, Won Bin
Park, Jun Ho
Abstract
The present invention relates to a technology proposing a new structure of a vertical polarized antenna for an ultra-high frequency band (mmWave band), which can be applied to a slim planar structure (e.g. terminal).
A method for updating a high definition map, according to one embodiment of the present invention, may comprise the steps of: acquiring a two-dimensional image which is an image obtained by photographing a target area corresponding to at least a portion of an actual area represented by a three-dimensional high definition map; generating a three-dimensional local landmark map for the target area from the location of a landmark within the two-dimensional image on the basis of location and orientation of a photographing device for photographing the two-dimensional image; and updating the high definition map by considering the local landmark map corresponding to the target area of the high definition map.