Abstract

An apparatus and method for providing dynamic network programming based on a selective binding segment of segment routing in a communication system is provided. A method by which a first service programmable network (SPN) node operates in a communication system includes: receiving a first packet from a zeroth SPN node; identifying a segment routing header (SRH) of the first packet, the SRH including a segment list; identifying a selective binding segment based on the segment list; requesting a processing result from a network service function (NSF) corresponding to the segment list when the segment list involves the selective binding segment; receiving a color value according to the processing result from the NSF; dynamically selecting a segment list according to the color value; and transmitting a second packet, to which a new SRH including the selected segment list and a new header are added, to a second SPN node.

IPC Classes  ?

• H04L 45/74 - Address processing for routing

Abstract

A method and apparatus for determining the suitability of a network configuration for a factory energy management system (FEMS) are provided. The method includes receiving an energy management level for obtaining the suitability of a network configuration for an FEMS, receiving second parameters according to the energy management level among first parameters set for the network configuration, receiving a communication characteristics matrix and a communication adaptability matrix for communication schemes usable for the network configuration, obtaining a communication characteristics metric matrix by normalizing the communication characteristics matrix, based on the second parameters and the communication characteristics matrix, obtaining a communication adaptability metric matrix by normalizing the communication adaptability matrix, based on the energy management level, the second parameters, and the communication adaptability matrix, and determining the suitability of the network configuration at the energy management level based on the communication characteristics metric matrix and the communication adaptability metric matrix.

IPC Classes  ?

• 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)

Abstract

Disclosed herein are a garbage collection method and apparatus. The garbage collection method includes when an area dynamically allocated through a malloc( ) function or a new operator of a standard C library is deallocated through a free( ) function or a delete operator, inserting the deallocated area into a quarantine list, recording a base address and an end address of each of areas inserted into the quarantine list in a CSR_quarantined_chunks register, finding a physical address of a memory page used by a processor and searching data in the memory page for a value included in a quarantined area of the CSR_quarantined_chunks register, when a value included in the quarantined area is not present, setting a state flag bit of the register to 0, and deleting an area which the state flag bit is 0 from the quarantine list, and inserting the area into a free list.

IPC Classes  ?

• G06F 12/02 - Addressing or allocation; Relocation

Abstract

A method, an image processing apparatus, and a system for generating a road image by using two-dimensional map data are proposed. The method includes receiving, by an image processing apparatus, an input of the map data of a specific area, extracting, by the image processing apparatus, road geometry information and road attribute information of a road from the map data, determining, by the image processing apparatus, road object standard information matched with the road attribute information for at least one road element of the road, generating, by the image processing device, style information for the at least one road element on a basis of at least one of the road attribute information and the road object standard information, and applying, by the image processing apparatus, the style information to the road geometry information to generate a basic road image including the road and the at least one road element.

IPC Classes  ?

• G06V 20/10 - Terrestrial scenes
• G01C 21/00 - Navigation; Navigational instruments not provided for in groups

Abstract

Disclosed is a seamless complex positioning method using heterogeneous positioning techniques, the method including: performing, by a positioning control apparatus, satellite signal-based positioning in an area where a satellite signal is received; determining, by the apparatus, whether a first position of a mobile terminal determined using satellite signal-based positioning is close to a shaded area; determining, by the apparatus, a non-satellite signal-based positioning scheme supported in the shaded area when the first position is close to the shaded area; determining, by the apparatus, a second position of the mobile terminal while performing satellite signal-based positioning and positioning according to the non-satellite signal-based positioning scheme simultaneously when the first position is close to the shaded area; and stopping, by the apparatus, satellite signal-based positioning and performing only positioning according to the non-satellite signal-based positioning scheme when the second position is inside the shaded area.

IPC Classes  ?

• G01S 19/48 - Determining position by combining or switching between position solutions derived from the satellite radio beacon positioning system and position solutions derived from a further system

Abstract

A method of filtering dynamic objects in radar-based ego-motion estimation includes converting measurement value at current time, measured by radar sensor, into point cloud, classifying the point cloud into points of a first object predicted as static object and points of a second object predicted as dynamic object, based on position value of dynamic object tracked at previous time, classifying the points of the first object into the points of the static object predicted as normal value and the points of the dynamic object predicted as outlier, based on outlier filtering algorithm, classifying the points of the second object into points of a candidate static object and points of a candidate dynamic object, based on velocity model of the static object, and tracking a position value of the dynamic object at current time, based on the points of the dynamic object and the points of the candidate dynamic object.

IPC Classes  ?

• G01S 7/41 - RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group using analysis of echo signal for target characterisation; Target signature; Target cross-section
• G01S 13/50 - Systems of measurement based on relative movement of target

Abstract

Provided are a control apparatus and method for three-dimensional (3D) printer post-processing equipment. The control apparatus includes a processor, and a memory configured to store an instruction executed by the processor, wherein the processor analyzes a computer-aided design (CAD) file to extract basic information of a product, analyzes a slicing file to extract output analysis information, then extracts output feature information on the basis of the basic information and the output analysis information, analyzes the output feature information to extract a parameter for controlling post-processing equipment, and controls the post-processing equipment according to the parameter.

IPC Classes  ?

• B29C 64/386 - Data acquisition or data processing for additive manufacturing
• B29C 64/264 - Arrangements for irradiation
• B29C 64/35 - Cleaning

Abstract

Disclosed is a mechanochromic array patch that implements, as a color change, a strain applied to a skin surface due to musculoskeletal movement. The mechanochromic array patch may include stretchable mechanochromic color-changing parts, a polymer connection part that connects the mechanochromic color-changing parts, and a water-insoluble support part. The polymer connection part may have a higher elastic modulus compared to the mechanochromic color-changing parts.

IPC Classes  ?

• A61B 5/11 - Measuring movement of the entire body or parts thereof, e.g. head or hand tremor or mobility of a limb
• A61B 5/00 - Measuring for diagnostic purposes ; Identification of persons
• A61L 15/30 - Rubbers or their derivatives
• A61L 15/56 - Wetness-indicators or colorants

Abstract

Disclosed are a method and an apparatus for supporting high-speed mobility in a communication. A method of a terminal may comprise: estimating a first frequency offset based on a downlink transmission received from a base station; estimating first time-varying characteristic information based on the downlink transmission; and transmitting, to the base station, a first uplink transmission including time-varying characteristic feedback information based on the first time-varying characteristic information and a configured time-varying characteristic information feedback condition.

IPC Classes  ?

• H04B 7/01 - Reducing phase shift
• H04L 5/00 - Arrangements affording multiple use of the transmission path
• H04W 56/00 - Synchronisation arrangements

Abstract

The present invention relates to a method and apparatus for encoding a displacement video using image tiling. A method for encoding multi-dimensional data according to an embodiment of the present disclosure may comprise: converting the multi-dimensional data into one or more frames with two-dimensional characteristics; generating one or more frame groups by grouping the one or more frames with pre-configured number units; reconstructing frames belonging to each frame group into a tiled frame; and generating a bitstream by encoding the tiled frame. Here, the tiled frame may be constructed with one or more blocks, and each block may be constructed by rearranging pixels existing at the same location in the frames.

IPC Classes  ?

• G06T 9/00 - Image coding
• G06T 19/00 - Manipulating 3D models or images for computer graphics

Abstract

Provided are a device and method for estimating a pose of an object. The method includes inputting a labeled source image and an unlabeled target image to a recognition model for generating training data, training the recognition model to generate object information of the unlabeled target image, determining the generated object information to be a pseudo label of the unlabeled target image, and training a pose estimation model for estimating a pose of an object by inputting the pseudo-labeled target image and the labeled source image to the pose estimation model.

IPC Classes  ?

• G06T 1/00 - General purpose image data processing
• G06T 7/50 - Depth or shape recovery
• G06T 7/70 - Determining position or orientation of objects or cameras

Abstract

Provided are a device and method for tagging training data. The method includes detecting and tracking one or more objects included in a video using artificial intelligence (AI), when there is an object to be split in a result of tracking the detected objects, splitting the object in object units, and when there are identical objects to be merged among split objects, merging the objects.

IPC Classes  ?

• G06T 7/292 - Multi-camera tracking
• G06V 10/74 - Image or video pattern matching; Proximity measures in feature spaces
• G06V 10/774 - Generating sets of training patterns; Bootstrap methods, e.g. bagging or boosting
• G06V 10/80 - Fusion, i.e. combining data from various sources at the sensor level, preprocessing level, feature extraction level or classification level

Abstract

Provided is a resonant multi-loop antenna circuit for magnetic field communication. The resonant multi-loop antenna circuit includes a first loop antenna and a second loop antenna arranged substantially on a same plane, and a first/a second matching circuit connected in series to the first and the second loop antenna respectively. The first matching circuit may be configured to minimize reactance of the first loop antenna and the first matching circuit connected in series to each other at a first carrier frequency, the second matching circuit may be configured to minimize the reactance of the second loop antenna and the second matching circuit connected in series to each other at a second carrier frequency, and the first loop antenna and the second loop antenna may be arranged so that a center of the first loop antenna is spaced apart from a center of the second loop antenna by a predetermined distance.

IPC Classes  ?

• H01Q 7/00 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
• H01Q 1/52 - Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
• H01Q 21/00 - Antenna arrays or systems
• H04B 5/00 - Near-field transmission systems, e.g. inductive loop type

Abstract

Disclosed is a cuffless blood pressure estimating device, which includes a hemodynamic parameter estimating circuit that measures at least two height levels based on position information output from at least one position detection sensor, measures user's bio-signals respectively at the height levels, and estimates a blood pressure from the height levels and the user's bio-signals based on a machine learning algorithm or a state estimation algorithm with a hemodynamic state space model, and at least one processor that controls the hemodynamic parameter estimating circuit.

IPC Classes  ?

• A61B 5/021 - Measuring pressure in heart or blood vessels
• A61B 5/02 - Measuring pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography; Heart catheters for measuring blood pressure
• A61B 5/318 - Heart-related electrical modalities, e.g. electrocardiography [ECG]

Abstract

Disclosed are a method and an apparatus for scheduling direct communication in a wireless LAN. A method of an STA MLD comprises the steps of: transmitting a first frame that requests use of a link for direct communication to an AP MLD on a first link; receiving a second frame from the AP MLD on the first link in response to the request to use a link for direct communication; and performing the direct communication in a TWT SP of a second link established by an exchange procedure of the first frame and the second frame.

IPC Classes  ?

• H04W 76/15 - Setup of multiple wireless link connections
• H04W 76/14 - Direct-mode setup
• H04W 52/02 - Power saving arrangements
• H04W 74/04 - Scheduled access
• H04W 84/12 - WLAN [Wireless Local Area Networks]
• H04W 88/06 - Terminal devices adapted for operation in multiple networks, e.g. multi-mode terminals
• H04W 72/12 - Wireless traffic scheduling

Abstract

Disclosed is a technique for switching from a master node to a secondary node in a communication system. A method of a first communication node may comprise: adding the first communication node as a primary secondary cell (PSCell) to a second communication node through dual connectivity (DC); generating a first user plane path for smart dynamic switching (SDS) and a first instance for supporting the first user plane path according to a request from the second communication node; transmitting information on the first user plane path and the first instance to a terminal; receiving user data based on the first user plane path from the terminal as the first instance; and transmitting the user data to a core network using the first user plane path.

IPC Classes  ?

• H04W 36/00 - Handoff or reselecting arrangements

Abstract

An audio rendering method and an electronic device performing the same are disclosed. The disclosed audio rendering method includes determining an air absorption attenuation amount of an audio signal based on a recording distance included in metadata of the audio signal and a source distance between a sound source of the audio signal and a listener; and rendering the audio signal based on the air absorption attenuation amount.

IPC Classes  ?

• 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
• H04B 17/318 - Received signal strength

Abstract

A method of a first base station may comprise: determining, by a MT of the first base station, whether there is a terminal connected to a BSU of the first base station, when a power-off condition is satisfied in the BSU; instructing, by the MT, the terminal, which is connected to the BSU, to be handed over to a second base station, when there is a terminal connected to the BSU; instructing, by the MT, the BSU to power off the BSU, when the handover of the terminal, which is connected to the BSU, is completed; and transmitting, by the MT, a first message, which indicates a power-off state of the first base station, to the second base station, when the BSU is powered off.

IPC Classes  ?

• H04W 52/02 - Power saving arrangements
• H04W 36/16 - Performing reselection for specific purposes

Abstract

Disclosed herein are a method and an apparatus for storing blockchain data based on error correction code. The method for storing blockchain data based on error correction code includes dividing block data to be stored into multiple subblock datasets, generating parity datasets corresponding to the block data, and storing the subblock datasets and the parity datasets in proportion to storage capacities of the blockchain data storage nodes.

IPC Classes  ?

• G06F 11/08 - Error detection or correction by redundancy in data representation, e.g. by using checking codes

Abstract

Disclosed herein is an apparatus for processing a predictive spatiotemporal query based on synthetic data. The apparatus includes a query-processing unit for analyzing a predictive spatiotemporal query of a user and returning a processing result, a machine-learning unit for training a machine-learning model in response to a request from the query-processing unit and generating synthetic spatiotemporal data based on the machine-learning model, and a data storage unit for storing raw spatiotemporal data and the generated synthetic spatiotemporal data, and the raw spatiotemporal data may be stored in the form of a table including an identifier column and a position column.

IPC Classes  ?

• G06N 20/00 - Machine learning
• G06F 16/2458 - Special types of queries, e.g. statistical queries, fuzzy queries or distributed queries

Abstract

A video encoding method includes classifying a plurality of view images into a basic image and additional images, performing pruning on at least one of the plurality of view images on the basis of the classification result, generating an atlas on the basis of the pruning result, and encoding the atlas and metadata for the atlas. Here, the metadata includes a first flag indicating whether depth estimation needs to be performed on a decoder side.

IPC Classes  ?

• H04N 19/172 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a picture, frame or field
• G06T 7/50 - Depth or shape recovery
• G06V 10/764 - Arrangements for image or video recognition or understanding using pattern recognition or machine learning using classification, e.g. of video objects
• H04N 19/46 - Embedding additional information in the video signal during the compression process

Abstract

Disclosed is a processor which includes a camera image feature extractor that extracts a camera image feature based on a camera image, a LIDAR image feature extractor that extracts a LIDAR image feature based on a LIDAR image, a sampling unit that performs a sampling operation based on the camera image feature and the LIDAR image feature and generates a sampled LIDAR image feature, a fusion unit that fuses the camera image feature and the sampled LIDAR image feature and generates a fusion map, and a decoding unit that decodes the fusion map and generates a depth map. The sampling operation includes back-projecting a pixel location of the camera image feature on a camera coordinate system to generate a back-projection point, and projecting the back-projection point on a plane of the LIDAR image to calculate sampling coordinates.

IPC Classes  ?

• G06T 7/55 - Depth or shape recovery from multiple images
• G06V 10/77 - Arrangements for image or video recognition or understanding using pattern recognition or machine learning using data integration or data reduction, e.g. principal component analysis [PCA] or independent component analysis [ICA] or self-organising maps [SOM]; Blind source separation

Abstract

Provided is a laser scanner. The laser scanner includes a laser transmitter configured to output a laser radiated towards an object, a laser receiver configured to receive a laser reflected from the object, and an oscillating mirror of which a mirror surface is coated with a thin metal film to reflect the received laser reflected from the object and be penetrated by an electromagnetic wave incident from an outside the laser scanner. The received laser reflected from the object is reflected by the mirror surface of the oscillating mirror coated with the thin metal film and received by a laser receiver, and the electromagnetic wave incident from the outside the laser scanner penetrates the mirror surface of the oscillating mirror and then dissipates.

IPC Classes  ?

• G02B 26/10 - Scanning systems

Abstract

Provided is an encoding apparatus including a memory configured to store instructions and a processor electrically connected to the memory and configured to execute the instructions, wherein the processor may be configured to perform a plurality of operations, when the instructions are executed by the processor, wherein the plurality of operations may include obtaining an input audio signal, generating an embedded audio signal by embedding signal components of a second frequency band of the input audio signal in a first frequency band of the input audio signal, generating additional information associated with the first frequency band and the second frequency band, generating an encoded audio signal by encoding the embedded audio signal, and formatting the encoded audio signal and the additional information into a bitstream.

IPC Classes  ?

• G10L 19/02 - Speech or audio signal analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders

Abstract

The present invention relates to a method and an apparatus for transmitting control and training symbols to improve transmission efficiency in a multi-user wireless communication system. The method for transmitting the control and training symbols in the multi-user wireless communication system according to one embodiment of the present invention comprises the steps of: determining whether a required transmission rate of each data can be satisfied through channel estimation in each of terminals when different data are simultaneously transmitted to each of the terminals; and transmitting a data frame to each of the terminals, the data frame being composed to discriminate the control and training symbols in each of the terminals using a combination of time, frequency, and code area when the required transmission rate of each data is not satisfied according to the determined result.

IPC Classes  ?

• H04W 72/20 - Control channels or signalling for resource management
• H04B 7/0452 - Multi-user MIMO systems
• H04L 1/00 - Arrangements for detecting or preventing errors in the information received
• H04L 1/06 - Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
• H04L 5/00 - Arrangements affording multiple use of the transmission path
• H04W 48/08 - Access restriction or access information delivery, e.g. discovery data delivery

Abstract

Provided are a device and method for evaluating performance of a wearable muscle enhancement device. The method performed by an evaluation system includes receiving feature information of a person and feature information of a wearable muscle enhancement device, generating complex human digital twin information based on the feature information of the person, generating complex device digital twin information based on the feature information of the wearable muscle enhancement device, creating a virtual human wearing a virtual wearable muscle enhancement device based on the complex human (physical/cognitive) digital twin information and the complex device digital twin information, causing the virtual human to perform a predefined motion, calculating a state variable of the virtual human based on a result of performing the motion, and calculating wearability, usability, and interactivity of the wearable muscle enhancement device based on the state variable to evaluate performance of the wearable muscle enhancement device.

IPC Classes  ?

• G06F 30/20 - Design optimisation, verification or simulation
• G06F 30/17 - Mechanical parametric or variational design

Abstract

The present invention relates to a video encoding/decoding method and apparatus. The video decoding method according to the present invention may comprise decoding filter information on a coding unit; classifying samples in the coding unit into classes on a per block classification unit basis; and filtering the coding unit having the samples classified into the classes on a per block classification unit basis by using the filter information.

IPC Classes  ?

• H04N 19/117 - Filters, e.g. for pre-processing or post-processing
• H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
• H04N 19/132 - Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
• H04N 19/169 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
• H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
• H04N 19/186 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
• H04N 19/82 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals - Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop

Abstract

A rendering method of an object-based audio signal and an apparatus for performing the same are provided. The rendering method of an object-based audio signal includes obtaining a rendered audio signal, performing clipping prevention on the rendered audio signal using a first limiter, mixing a signal output by the first limiter using a mixer, and performing clipping prevention on the mixed signal using a second limiter.

IPC Classes  ?

• H03G 7/00 - Volume compression or expansion in amplifiers

Abstract

Disclosed herein are a video decoding method and apparatus and a video encoding method and apparatus. In video encoding and decoding, multiple partition blocks are generated by splitting a target block. A prediction mode is derived for at least a part of the multiple partition blocks, among the multiple partition blocks, and prediction is performed on the multiple partition blocks based on the derived prediction mode. When prediction is performed on the partition blocks, information related to the target block may be used, and information related to an additional partition block, which is predicted prior to the partition block, may be used.

IPC Classes  ?

• H04N 19/119 - Adaptive subdivision aspects e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
• H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
• H04N 19/124 - Quantisation
• H04N 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
• H04N 19/61 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding

Abstract

Disclosed is an image generating device, which includes a measurement device including a plurality of transmitters and a plurality of receivers for a multistatic measurement of an object, an image preprocessing device that receives a raw image signal corresponding to the multistatic measurement from the measurement device and generates a preprocessed image signal based on the raw image signal, an image amplifier that generates an amplified image signal based on the preprocessed image signal, and an image restorer that generates a restored image signal corresponding to the object based on the amplified image signal, and the image amplifier is further configured to set up a first virtual transmitter and a first virtual receiver, to obtain first measurement data of a first target transmitter closest to the first virtual transmitter among the plurality of transmitters and a first target receiver closest to the first virtual receiver among the plurality of receivers.

IPC Classes  ?

• G01S 13/89 - Radar or analogous systems, specially adapted for specific applications for mapping or imaging
• G01S 13/08 - Systems for measuring distance only

Abstract

A method and a device for dynamic on-off of a TRP in a communication system are disclosed. A method of a first terminal comprises the steps of: performing communication with a first TRP and a second TRP associated with a base station; receiving a TCI on-off indication for at least one TRP among the first TRP and the second TRP; identifying a TCI indicated for an off state, on the basis of the TCI on-off indication; and performing communication with the remaining TRP other than one TRP, for which the TCI has been configured, among the first TRP and the second TRP.

IPC Classes  ?

• H04W 52/02 - Power saving arrangements
• H04W 72/23 - Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
• H04W 72/04 - Wireless resource allocation
• H04W 16/28 - Cell structures using beam steering
• H04W 72/12 - Wireless traffic scheduling
• H04L 5/00 - Arrangements affording multiple use of the transmission path

Abstract

Provided is a mobile manipulator for performing a target motion, which includes a base unit configured to perform a positional shift and having a rail in some section thereof, and an arm unit including multi-joints and configured to perform a positional shift on the rail in consideration of a center of gravity when performing a target motion. The arm unit performs the target motion through adaptive neural network-based compensation control.

IPC Classes  ?

• B25J 9/16 - Programme controls
• B25J 5/00 - Manipulators mounted on wheels or on carriages
• B25J 9/00 - Programme-controlled manipulators
• B25J 19/00 - Accessories fitted to manipulators, e.g. for monitoring, for viewing; Safety devices combined with or specially adapted for use in connection with manipulators

Abstract

The present disclosure provides a radar apparatus capable of suppressing a radar-to-radar in-band interference caused by a signal derived from another radar apparatus in a radar system in which a plurality of radar apparatuses share frequency resource to increase a frequency utilization efficiency. The radar apparatus includes: a receiver configured to acquire a received signal; a plurality of matched filters arranged in parallel to filter the receive signal, each corresponding to respective one of the plurality of radar apparatus to use a transmit signal of a corresponding radar apparatus as a reference signal; and a signal reconstructor configured to select a matched filter most adequate for an interference suppression based on outputs of the plurality of matched filters, subtract the reference signal of a selected matched filter at least partially from the receive signal, and reconstruct a desired echo signal to be used to determine a target.

IPC Classes  ?

• G01S 7/02 - RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group

Abstract

Disclosed are a system and method for automatically evaluating an essay. The system includes a structure analysis module configured to divide learning data and learner essay text in a predetermined structure analysis unit, generate structure tagging information for each structure analysis unit, and structure the learning data and the learner essay text by attaching the structure tagging information to the learning data and the learner essay text, a learning module configured to generate an essay evaluation model through learning by using essay text that is included in the structured learning data and the structure tagging information as an input value and using an evaluation score that is included in the structured learning data as a label, and an evaluation module configured to generate essay evaluation results using the essay evaluation model.

IPC Classes  ?

• G09B 19/00 - Teaching not covered by other main groups of this subclass
• G06F 40/232 - Orthographic correction, e.g. spell checking or vowelisation
• G06F 40/253 - Grammatical analysis; Style critique
• G06F 40/284 - Lexical analysis, e.g. tokenisation or collocates

Abstract

Provided is a method and a system for analyzing stability of factory energy consumption based on energy intensity per product. The method includes extracting a profile including a production history of a product and process operation information of a process line or process equipment used to produce the product, determining energy intensity per product, which is a ratio of an amount of energy consumed to produce the product for production of the product, based on the profile, and identifying consumption stability of energy consumed to produce the product based on the energy intensity per product.

IPC Classes  ?

• 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)

Abstract

Disclosed herein is an apparatus and method for detecting an emotional change through facial expression analysis. The apparatus for detecting an emotional change through facial expression analysis includes a memory having at least one program recorded thereon, and a processor configured to execute the program, wherein the program includes a camera image acquisition unit configured to acquire a moving image including at least one person, a preprocessing unit configured to extract a face image of a user from the moving image and preprocess the extracted face image, a facial expression analysis unit configured to extract a facial expression vector from the face image of the user and cumulatively store the facial expression vector, and an emotional change analysis unit configured to detect a temporal location of a sudden emotional change by analyzing an emotion signal extracted based on cumulatively stored facial expression vector values.

IPC Classes  ?

• G06V 40/16 - Human faces, e.g. facial parts, sketches or expressions
• G06V 10/82 - Arrangements for image or video recognition or understanding using pattern recognition or machine learning using neural networks

Abstract

Disclosed is a meta-structure. The meta-structure includes a lower electrode, a lower insulating layer on the lower electrode, a lower metal oxide layer on the lower insulating layer, a metal layer on the lower metal oxide layer, an upper metal oxide layer on the metal layer, an upper insulating layer on the upper metal oxide layer, and antenna electrodes on the upper insulating layer.

IPC Classes  ?

• H01Q 15/00 - Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
• H01Q 1/36 - Structural form of radiating elements, e.g. cone, spiral, umbrella
• H01Q 15/14 - Reflecting surfaces; Equivalent structures

Abstract

Disclosed herein is a method for integrated anomaly detection. The method includes detecting a thing object and a human object in input video using a first neural network, and tracking the human object, and detecting an anomalous situation based on an object detection result and a human object tracking result.

IPC Classes  ?

• G06V 10/82 - Arrangements for image or video recognition or understanding using pattern recognition or machine learning using neural networks
• G06V 40/20 - Movements or behaviour, e.g. gesture recognition

Abstract

An object-based image encoding/decoding method and device of the present disclosure may include an image partition step which partitions an image to obtain a first object region, a region scaling step which scales the first object region based on a scaling factor of the first object region to obtain a second objection region, a region merging step which merges the second object region with at least one of an object region different from the second object region or a non-object region to obtain a merged image, and an image reconstruction step which reconstructs the merged image.

IPC Classes  ?

• H04N 19/119 - Adaptive subdivision aspects e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
• H04N 19/124 - Quantisation
• H04N 19/172 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a picture, frame or field
• H04N 19/184 - 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

Abstract

Provided is a solar cell and a manufacturing method thereof. The cell includes a back-contact electrode on a substrate, a light absorbing layer on the back-contact electrode, an anti-defect layer on the light absorbing layer, a buffer layer on the anti-defect layer, and an upper electrode on a buffer layer. The anti-defect layer may contain an alkaline earth metal.

IPC Classes  ?

• H01L 31/0224 - Electrodes
• H01L 31/0216 - Coatings
• H01L 31/049 - Protective back sheets

Abstract

An image encoding/decoding method, device and recording medium based on accumulation of a region of interest of the present disclosure may include partitioning a current image to acquire a region of interest, cumulatively expressing the region of interest in a reference image of the current image and decoding the current image based on a reference image in which the region of interest is cumulatively expressed.

IPC Classes  ?

• G06T 9/00 - Image coding
• G06T 7/11 - Region-based segmentation
• G06T 7/62 - Analysis of geometric attributes of area, perimeter, diameter or volume
• G06V 10/25 - Determination of region of interest [ROI] or a volume of interest [VOI]

Abstract

A system and a method for cultivating roughage are disclosed. The system includes a cultivator console for providing user interface to a grower, a cultivation server for calculating a cultivation environment adjustment value for the roughage based on information received from the cultivator console, and a cultivation apparatus for controlling the environment of a cultivation space for cultivating the roughage based on the cultivation environment adjustment value.

IPC Classes  ?

• A01G 7/04 - Electric or magnetic treatment of plants for promoting growth
• A01G 9/24 - Devices for heating, ventilating, regulating temperature, or watering, in greenhouses, forcing-frames, or the like

Abstract

Disclosed are a method, apparatus, and recording medium for image encoding/decoding using geometric partitioning. A target block is partitioned into a first partition region and a second partition region through geometric partitioning. A partitioning boundary for the target block is more precisely defined using a sub-offset. A list of partitioning modes of geometric partitioning is constructed, and the partitioning modes of the list are constructed on the basis of information on pixels and blocks adjacent to the target block. In addition, filtering is performed on the target block on the basis of the partitioning modes of geometric partitioning.

IPC Classes  ?

• H04N 19/119 - Adaptive subdivision aspects e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
• H04N 19/13 - Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
• H04N 19/157 - Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
• H04N 19/176 - 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 19/11 - 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

Abstract

A method and a device for image encoding/decoding, and a recording medium are provided. The method for image encoding/decoding comprises determining prediction information for a target block and performing prediction on the target block by using the prediction information. Padding is performed on a target image related to prediction. Here, the outside area of the target image is used as a reference block of a block in a different image, a part of a reference block of a block in a different image, or an object to which an interpolation filter is applied in motion compensation in inter prediction of a block in a different image. For padding, padding using a fixed value, padding on the basis of a pixel value in the target image, or padding on the basis of motion information in the target image is performed.

IPC Classes  ?

• H04N 19/57 - Motion estimation characterised by a search window with variable size or shape
• H04N 19/563 - Motion estimation with padding, i.e. with filling of non-object values in an arbitrarily shaped picture block or region for estimation purposes
• 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 19/119 - Adaptive subdivision aspects e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
• H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
• H04N 19/157 - Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
• H04N 19/129 - Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]

Abstract

This specification discloses an image encoding/decoding method and apparatus, and a recording medium for storing a bitstream. The image decoding method may comprise the steps of: decoding information regarding prediction of the current block; deriving an intra prediction mode of the current block on the basis of the information regarding the prediction; and generating a prediction block of the current block on the basis of the intra prediction mode. On the basis that the information regarding the prediction includes an intra prediction combined mode, in the deriving step, two or more intra prediction modes are derived, and in the generating step, the prediction block may be generated by combining the two or more intra prediction modes.

IPC Classes  ?

• 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 19/60 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
• H04N 19/119 - Adaptive subdivision aspects e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
• H04N 19/124 - Quantisation
• H04N 19/129 - Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]

Abstract

A surface plasmon resonance imaging apparatus is provided. The surface plasmon resonance imaging apparatus includes a light irradiation unit configured to irradiate polarized light onto a metal coating film provided on one surface of a prism, a light modulator configured to spatially pattern-encode light reflected by the metal coating film and the prism, a light detector configured to detect a pattern-encoded light signal, obtained through pattern-encoding by the light modulator, as a spectral signal, a signal processor configured to spatially decode the spectral signal and analyze a decoded spectral signal to generate characteristic data of a sample provided on the metal coating film, and an output unit configured to output the characteristic data of the sample as a two-dimensional (2D) image.

IPC Classes  ?

• G01N 21/65 - Raman scattering

Abstract

Provided is a reflector/scatterer arranged around a side lobe beam which is generated from a transmission antenna, in a radiation direction of the side lobe beam, for use in expanding a communication service coverage area.

IPC Classes  ?

• H04W 16/26 - Cell enhancers, e.g. for tunnels or building shadow
• H01Q 15/14 - Reflecting surfaces; Equivalent structures

Abstract

The present disclosure relates to a method and apparatus for classifying and evaluating a motion based on a motion feature. The method of classifying and evaluating a motion based on a motion feature includes obtaining video data by capturing a first motion, obtaining information on locations of joints of the first motion based on the video data, generating motion feature data of the first motion based on the information on the locations of the joints, and selecting a model motion most similar to the first motion, among a plurality of model motions, based on the motion feature data of the first motion and motion feature data of the plurality of model motions.

IPC Classes  ?

• G06T 7/246 - Analysis of motion using feature-based methods, e.g. the tracking of corners or segments
• G06V 10/25 - Determination of region of interest [ROI] or a volume of interest [VOI]
• G06V 10/44 - Local feature extraction by analysis of parts of the pattern, e.g. by detecting edges, contours, loops, corners, strokes or intersections; Connectivity analysis, e.g. of connected components
• G06V 10/74 - Image or video pattern matching; Proximity measures in feature spaces
• G06V 10/764 - Arrangements for image or video recognition or understanding using pattern recognition or machine learning using classification, e.g. of video objects

Abstract

A method, a device and a recording medium for extracting a qualitative characteristic of a video may include segmenting a video into at least one video segment, and based on an edge representing a relationship between objects of the video segment and the objects, generating video graph sequences in a graph form of the video segment, and generation of the video graph sequences may be performed based on an object feature vector expressing a qualitative characteristic of the objects as a vector and an edge feature vector expressing a qualitative characteristic of the edge as a vector.

IPC Classes  ?

• G06T 7/00 - Image analysis
• G06T 7/13 - Edge detection
• G06T 11/20 - Drawing from basic elements, e.g. lines or circles
• G06V 10/44 - Local feature extraction by analysis of parts of the pattern, e.g. by detecting edges, contours, loops, corners, strokes or intersections; Connectivity analysis, e.g. of connected components
• G06V 10/54 - Extraction of image or video features relating to texture
• G06V 10/764 - Arrangements for image or video recognition or understanding using pattern recognition or machine learning using classification, e.g. of video objects
• G06V 20/40 - Scenes; Scene-specific elements in video content

Abstract

Disclosed herein are a logical qubit execution apparatus and method. The logical qubit execution apparatus may be configured to execute, by a logical execution layer, a quantum circuit including requested logical qubits using a lattice surgery operation, generate, by the logical execution layer, measurement results of the logical qubits by combining measurement results of logical Pauli frames, generate, by a physical execution layer, a physical qubit circuit by converting a logical qubit operation corresponding to the measurement results of the logical qubits into a physical qubit operation, and measure, by the physical execution layer, results of an operation on physical Pauli frames by executing the physical qubit circuit.

IPC Classes  ?

• G06N 10/20 - Models of quantum computing, e.g. quantum circuits or universal quantum computers

Abstract

Provided is a detachable light source supply apparatus in which a light source element, which has a high probability of failure among components of an optical transceiver, is separately disposed on the outside, to supply a light source to the optical transceiver. This detachable light source supply apparatus includes a detachable coupling part to the optical transceiver, and an optical input/output unit. The detachable coupling part and the optical input/output unit may be implemented with MPO type connectors. Depending on various wavelength standards, an external light source element may be a multi-channel light source element that emits light sources having different wavelengths. For the multi-channel light source element, a plurality of light emitter of a single wavelength may be used, and in other embodiments, a multi-channel light emitter that emits light sources having a plurality of different wavelengths may be used.

IPC Classes  ?

• H04B 10/40 - Transceivers

Abstract

Disclosed herein are an apparatus and method for automatic parking based on recognition of a parking area environment. The method may include searching for an available parking space, determining whether reverse parking is possible by recognizing the environment of the available parking space, recognizing at least one additional vehicle located in the vicinity of the available parking space, and setting a parking destination based on the determination of whether reverse parking is possible and the result of recognition of the at least one additional vehicle.

IPC Classes  ?

• B60W 30/06 - Automatic manoeuvring for parking
• B60W 30/18 - Propelling the vehicle
• G06V 10/26 - Segmentation of patterns in the image field; Cutting or merging of image elements to establish the pattern region, e.g. clustering-based techniques; Detection of occlusion
• G06V 20/58 - Recognition of moving objects or obstacles, e.g. vehicles or pedestrians; Recognition of traffic objects, e.g. traffic signs, traffic lights or roads

Abstract

Disclosed herein are an apparatus and method for distributed processing of a neural network. The apparatus may include a neural network model compiler for segmenting a neural network into a predetermined number of sub-neural networks, two or more neural processing units, and a neural network operating system for abstracting the sub-neural networks into a predetermined number of tasks, performing inference using the multiple neural processing units in a distributed manner in response to a neural network inference request from at least one application, and returning an inference result to the application.

IPC Classes  ?

• G06N 3/045 - Combinations of networks
• G06N 3/063 - Physical realisation, i.e. hardware implementation of neural networks, neurons or parts of neurons using electronic means

Abstract

An apparatus and method for performing optical alignment between optical waveguide elements in manufacturing a surface mountable optical module, in which a plurality of optical waveguide elements are mounted on a surface of a mounting substrate, is disclosed. A controller performs recognition of the interference pattern included in the image information received from the camera, observes parallelism between the substrate support and the mounting substrate and between the mounting substrate and the optical waveguide element using the recognized pattern, generates a control signal to control the transport device according to the observed parallelism, and transmits the control signal to the transport device to perform control of the optical waveguide element.

IPC Classes  ?

• G02B 7/00 - Mountings, adjusting means, or light-tight connections, for optical elements
• G01B 9/02 - Interferometers
• G02B 6/25 - Preparing the ends of light guides for coupling, e.g. cutting
• G02B 27/00 - Optical systems or apparatus not provided for by any of the groups ,

Abstract

The present disclosure relates to a defensive driving vehicles interaction system (D2VIS), and to an autonomous driving predictive defensive driving system through an interaction based on forward vehicle driving and situation judgement information and a method thereof. An autonomous driving predictive defensive driving system through an interaction based on forward vehicle driving and situation judgement information according to the present disclosure includes an inter-vehicle distance recognition unit configured to recognize a distance between a surrounding vehicle and an ego vehicle, a situation recognition unit configured to recognize situation information including surrounding information of the surrounding vehicle, and a driving situation response determination unit configured to share data for determining a defensive driving action by using the situation information.

IPC Classes  ?

• B60W 60/00 - Drive control systems specially adapted for autonomous road vehicles
• G08G 1/01 - Detecting movement of traffic to be counted or controlled
• G08G 1/017 - Detecting movement of traffic to be counted or controlled identifying vehicles
• G08G 1/16 - Anti-collision systems

Abstract

A method of rendering object-based audio and an electronic device performing the method are provided. The method includes identifying a bitstream, determining a reference distance of an object sound source based on the bitstream, determining a minimum distance for applying distance-dependent attenuation, based on the reference distance, and determining a gain of object-based audio included in the bitstream based on the reference distance and the minimum distance.

IPC Classes  ?

• H04S 7/00 - Indicating arrangements; Control arrangements, e.g. balance control

Abstract

A method for changing a route when an error occurs in an autonomous driving AI includes collecting error information of the AI when an error of the AI has occurred, extracting, from a storage, past error information about a same kind of AI as that of the AI based on the error information of the AI, generating an error analysis result based on the past error information, generating an error analysis result message based on the error analysis result, and determining whether the driving of the autonomous driving vehicle needs to be stopped based on the error analysis result message.

IPC Classes  ?

• B60W 50/038 - Limiting the input power, torque or speed
• B60W 50/02 - Ensuring safety in case of control system failures, e.g. by diagnosing, circumventing or fixing failures
• B60W 60/00 - Drive control systems specially adapted for autonomous road vehicles
• G08G 1/16 - Anti-collision systems

Abstract

An image encoding/decoding method, device and recording medium based sed on multiple compression levels disclosure may include extracting a region of interest for machine vision from an input image, determining a compression level of the region of interest, and encoding the compression level of the region of interest.

IPC Classes  ?

• G06T 9/00 - Image coding
• G06V 10/25 - Determination of region of interest [ROI] or a volume of interest [VOI]

Abstract

The present disclosure relates to a pulse radar device comprising a memory that includes a first memory and a second memory, each storing a scan vector. The device also includes a clock generator that produces a transmission clock signal and a reception clock signal. The reception clock signal is generated by delaying the transmission clock signal by a clock delay value. Furthermore, the device includes a transmitter that generates a transmission pulse by accepting the transmission clock signal from the clock generator and emits the pulse. Additionally, the device includes a receiver that receives an echo pulse reflected from a target by accepting the reception clock signal from the clock generator. The receiver then calculates the received echo pulse to generate a representative scan vector.

IPC Classes  ?

• G01S 13/42 - Simultaneous measurement of distance and other coordinates
• G01S 13/76 - Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted

Abstract

A method and an apparatus device for image encoding/decoding, and a recording medium are disclosed. In a conventional image encoding/decoding method, a decoder-side motion information derivation method can be used with limitations. Therefore, encoding efficiency improvement due to the decoder-side motion information derivation method can be limited. A motion information search method used in prediction is disclosed in embodiments. Sub-sampling is applied to various processes and targets, such as a search region, used in the motion information search method.

IPC Classes  ?

• H04N 19/503 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
• H04N 19/176 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
• H04N 19/119 - Adaptive subdivision aspects e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
• H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
• H04N 19/124 - Quantisation
• H04N 19/129 - Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
• 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 19/70 - 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

Abstract

A method, a device, and a recording medium for image encoding/decoding are disclosed. The method for image encoding/decoding comprises the steps of: determining a prediction scheme for a chroma block; determining information for deriving a cross-component prediction model; and generating a chroma prediction block by using the cross-component prediction model. The chroma prediction block is derived by one or more of a cross-component linear model (CCLM), a gradient linear model (GLM), a filter-based linear model (FLM), and a convolution cross-component model (CCCM).

IPC Classes  ?

• H04N 19/105 - Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
• H04N 19/117 - Filters, e.g. for pre-processing or post-processing
• H04N 19/186 - 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
• H04N 19/109 - Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
• H04N 19/11 - Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
• G06N 3/08 - Learning methods

Abstract

The present disclosure relates to a method and apparatus for searching for a light-weight model through the replacement of a subnetwork of a trained neural network model. The method of searching for a light-weight model includes a preprocessing step of extracting a subnetwork from an original neural network model, constructing a mapping relation between the subnetwork and an alternative block corresponding to the subnetwork by extracting the alternative block from a pre-trained neural network model, and generating profiling information including performance information relating to the subnetwork and the alternative block, and a query processing step of receiving a query, extracting a constraint that is included in the query through query parsing, and generating the final model based on the constraint, the original neural network model, the alternative block, the mapping relation, and the profiling information.

IPC Classes  ?

• G06N 3/08 - Learning methods

Abstract

An exemplary embodiment provides a signal receiver device capable of detecting a radio communication signal with a high signal-to-noise ratio while internally canceling an environmental noise. A signal receiver device according to an exemplary embodiment includes a first signal detection element; and a second signal detection element electrically connected to the first signal detection element and provided with a blocking member for attenuating a communication signal among received RF signals. The signal receiver device is configured to output a difference between a first detection signal detected by the first signal detection element and a second detection signal detected by the second signal detection element as a detected receive signal.

IPC Classes  ?

• H01Q 15/00 - Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
• H01Q 7/00 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop

Abstract

A test device and method for testing a distributed feedback laser diode (DFB-LD) device for an optical transceiver of a radio over fiber (RoF) system examines the DFB-LD device based on an absolute limiting rating, an operating case environment, and a functional specification, in which the absolute limiting rating is a rating at which there is no fatal damage to the DFB-LD device during a short period of time when each limiting parameter is isolated and all other parameters are in a normal performance parameter, the operating case environment includes an operating temperature, and the functional specification includes parameters to be tested according to an operating condition for the functional specification.

IPC Classes  ?

• H04B 10/2575 - Radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier
• H04B 10/077 - Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal

Abstract

A method of monitoring and managing performance of an artificial neural network model for an air interface may comprise: receiving, by a network (NW) including a communication node performing a function of monitoring and managing performance of an artificial neural network model, a performance metric of the artificial neural network model from a user equipment (UE); and controlling, by the communication node, activation or deactivation of the artificial neural network model according to the performance metric, wherein the artificial neural network model is activated to improve a main performance metric of a mobile communication system including the communication node and the UE connected through an air interface.

IPC Classes  ?

• H04W 24/02 - Arrangements for optimising operational condition
• H04W 24/08 - Testing using real traffic

Abstract

The present invention relates to a method and apparatus for performing two dimension fast fourier transform for hologram processing. A method for processing a hologram according to an embodiment of the present disclosure may comprise: generating complex data by multiplying the digital image by a random phase value; performing inverse fast fourier transform (IFFT) processing on the complex data; generating pattern information by multiplying a result of the IFFT processing by a quadrant phase; and processing the hologram based on the pattern information. Here, the IFFT processing may comprise a IFFT core operation that performs row-base IFFT and column-base IFFT on the complex data, and a single shift IFFT operation that applies a predefined rule to a result of one or more of the row-based IFFT or the column-based IFFT.

IPC Classes  ?

• G06F 17/14 - Fourier, Walsh or analogous domain transformations
• G03H 1/08 - Synthesising holograms
• G03H 1/16 - Processes or apparatus for producing holograms using Fourier transform

Abstract

The present disclosure relates to a stereoscopic surface display device, and more particularly, to a stereoscopic surface display device including: a light source unit including a plurality of optical elements; and a stereoscopic display unit disposed on the light source unit. The stereoscopic display unit includes: a polymer layer; and a light absorption layer buried in the polymer layer. The stereoscopic display unit includes a plurality of cell areas arranged in two-dimension, the light absorption layer is disposed in the plurality of cell areas, the plurality of optical elements vertically overlap the plurality of cell areas, respectively, and each of the plurality of cell areas has a stereoscopic shape.

IPC Classes  ?

• H04N 13/32 - Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using moving apertures or moving light sources
• G09B 21/00 - Teaching, or communicating with, the blind, deaf or mute
• H04N 13/312 - Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using parallax barriers the parallax barriers being placed behind the display panel, e.g. between backlight and spatial light modulator [SLM]

Abstract

Disclosed herein is an apparatus and method for synchronizing a block in a blockchain network. The apparatus synchronizes node information of existing participating nodes connected to a blockchain network by joining the blockchain network, determines synchronization target blocks by calculating the current section of a blockchain using an agreed-upon block received from the existing participating nodes, receives a block header of each section and the segment hash table of a snapshot that are verification data for verifying synchronization target data for the synchronization target blocks from participating nodes that are not connected as peers, among the existing participating nodes, generates a snapshot by receiving snapshot segments and the blocks of the current section, which are the synchronization target data, from participating nodes connected as peers, among the existing participating nodes, verifies the snapshot generated from the snapshot segments, and synchronizes the verified snapshot.

IPC Classes  ?

• G06F 16/27 - Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
• G06F 11/14 - Error detection or correction of the data by redundancy in operation, e.g. by using different operation sequences leading to the same result

Abstract

An encoding/decoding apparatus and method for controlling a channel signal is disclosed, wherein the encoding apparatus may include an encoder to encode an object signal, a channel signal, and rendering information for the channel signal, and a bit stream generator to generate, as a bit stream, the encoded object signal, the encoded channel signal, and the encoded rendering information for the channel signal.

IPC Classes  ?

• G10L 19/008 - Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing

Abstract

Provided is an encoding apparatus for integrally encoding and decoding a speech signal and a audio signal, and may include: an input signal analyzer to analyze a characteristic of an input signal; a stereo encoder to down mix the input signal to a mono signal when the input signal is a stereo signal, and to extract stereo sound image information; a frequency band expander to expand a frequency band of the input signal; a sampling rate converter to convert a sampling rate; a speech signal encoder to encode the input signal using a speech encoding module when the input signal is a speech characteristics signal; a audio signal encoder to encode the input signal using a audio encoding module when the input signal is a audio characteristic signal; and a bitstream generator to generate a bitstream.

IPC Classes  ?

• G10L 19/008 - Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
• G10L 19/02 - Speech or audio signal analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
• G10L 19/04 - Speech or audio signal analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
• G10L 19/12 - Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
• G10L 19/20 - Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding

Abstract

A method of a first terminal may include: identifying first RB set(s) to be used for SL communication among consecutive RB sets through an LBT procedure; identifying a first subchannel group included in the first RB set(s) and a second subchannel group including a first PRB in the first RB set(s), the first PRB being not included in the first subchannel group; configuring the first PRB within the second subchannel group as an SL communication resource; and transmitting, to a second terminal, control information indicating that the first PRB is configured as the SL communication resource.

IPC Classes  ?

• H04W 72/40 - Resource management for direct mode communication, e.g. D2D or sidelink
• H04W 72/541 - Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference

Abstract

An image encoding method includes detecting at least one attention region from an original image, acquiring a reconstructed picture for the original image, generating residual data between a first attention region in the original image and a second attention region corresponding to the first attention region in the reconstructed picture, and encoding the residual data.

IPC Classes  ?

• H04N 19/30 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
• H04N 19/17 - 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

Abstract

A wireless communication method and apparatus in a wireless local area network (WLAN) system are disclosed. A wireless communication method according to one embodiment may include generating a high-efficiency Wi-Fi (HEW) frame including at least one of an HEW-SIG-A field and an HEW-SIG-B field which include channel information for communications according to an Orthogonal Frequency-Division Multiple Access (OFDMA) mode, and transmitting the generated HEW frame to a reception apparatus.

IPC Classes  ?

• H04B 7/0452 - Multi-user MIMO systems
• 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
• H04L 5/00 - Arrangements affording multiple use of the transmission path
• H04W 72/0453 - Resources in frequency domain, e.g. a carrier in FDMA

Abstract

Disclosed are an apparatus and method for electing a committee node in a blockchain. The apparatus for electing a committee node in a blockchain is configured to transmit a staking transaction including validator information to a blockchain system to register a validator node, generate a draw pool for electing a committee node based on the validator information, change entries of the draw pool using a predefined shuffling algorithm, select a preset number of top entries as votes of a committee member from among the entries of the shuffled draw pool, and elect, as the committee node, the validator node that has acquired votes of a committee.

IPC Classes  ?

• H04L 9/00 - Arrangements for secret or secure communications; Network security protocols
• H04L 9/30 - Public key, i.e. encryption algorithm being computationally infeasible to invert and users' encryption keys not requiring secrecy

Abstract

A method, a device, and a recording medium for image encoding/decoding are disclosed. The method for image encoding/decoding comprises the steps of: determining a template for a target block; selecting a template matching reference image; searching for an optimal template matching block within the template matching reference image using a template; and performing encoding/decoding using the optimal template matching block. Prediction for the target block may be performed using the optimal template matching block. The recording medium may store computer-executable code for an image decoding method, and may store information generated by an image encoding method.

IPC Classes  ?

• 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 19/119 - Adaptive subdivision aspects e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
• H04N 19/124 - Quantisation
• H04N 19/129 - Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
• H04N 19/60 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding

Abstract

A weak signal detection device for detecting a weak signal appearing intermittently with a level that is less than or equal to internal noise of a radio frequency (RF) receiving part may comprise: a cross-correlation spectrum processing part configured to generate a cross-correlation spectrum using a correlation between RF receiving channels; and a waveform combiner configured to generate an output spectrum having a spectrum persistent function by assigning weight values to a current waveform and a previous waveform of the cross-correlation spectrum.

IPC Classes  ?

• H04B 7/08 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
• H04B 17/20 - Monitoring; Testing of receivers
• H04B 17/23 - Indication means, e.g. displays, alarms or audible means

Abstract

Disclosed is an interface system including a first neuron cluster that outputs a first neuron signal including a first neuron request and first neuron data by performing a first arithmetic operation, and a first interface circuit that stores the first neuron data and outputs a first response, in response to the first neuron request. The first neuron cluster outputs a second neuron signal including a second neuron request and second neuron data by performing a second arithmetic operation, in response to the first response. Before the first data is transmitted to a second neuron cluster different from the first neuron cluster, the first interface circuit outputs the first response in response to a fact that the first neuron data is stored.

IPC Classes  ?

• G06N 3/049 - Temporal neural networks, e.g. delay elements, oscillating neurons or pulsed inputs
• G06N 3/063 - Physical realisation, i.e. hardware implementation of neural networks, neurons or parts of neurons using electronic means

Abstract

Disclosed is a battery residual value evaluation system, which includes a measurement unit that measures a voltage and a current of an external battery to generate a voltage signal and a current signal, a resistance calculation unit that generates a resistance value, a resistance change value, and a resistance change rate of the external battery for each of charging and discharging cycles of the external battery based on the voltage signal and the current signal, an external input unit that receives reference ranges from an outside, a determination unit that determines a battery residual value based on whether the resistance value, the resistance change value, and the resistance change rate fall within the reference ranges, respectively, and an output unit that outputs the determination result to the outside.

IPC Classes  ?

• G01R 31/392 - Determining battery ageing or deterioration, e.g. state of health
• G01R 31/36 - Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
• G01R 31/367 - Software therefor, e.g. for battery testing using modelling or look-up tables
• G01R 31/3842 - Arrangements for monitoring battery or accumulator variables, e.g. SoC combining voltage and current measurements
• G01R 31/389 - Measuring internal impedance, internal conductance or related variables

Abstract

The present invention relates to a scheduling technology for communication between terminals of a communication system. Provided may be a method for a first terminal, comprising the steps of: configuring, in a resource pool of sidelink, resource block (RB) sets in units obtained by adding a protection band to a listen-before-talk (LBT) bandwidth; configuring a subchannel including two or more physical resource blocks (PRBs) from among a plurality of PRBs included in each of the RB sets; generating sidelink control information including identification information of scheduled at least one subchannel from among a plurality of subchannels configured in the RB sets; and transmitting the sidelink control information to a second terminal.

IPC Classes  ?

• H04W 72/25 - Control channels or signalling for resource management between terminals via a wireless link, e.g. sidelink
• H04W 72/04 - Wireless resource allocation
• H04L 5/00 - Arrangements affording multiple use of the transmission path
• H04W 24/08 - Testing using real traffic
• H04W 74/08 - Non-scheduled access, e.g. random access, ALOHA or CSMA [Carrier Sense Multiple Access]
• H04W 92/18 - Interfaces between hierarchically similar devices between terminal devices
• H04W 72/12 - Wireless traffic scheduling

Abstract

The present invention relates to technology for feedback in an inter-terminal communication of a communication system. A method performed by a first terminal may comprise the steps of: receiving a PSSCH in a slot n from a second terminal through a sub-channel; determining PRB sets for transmitting a PSFCH corresponding to the PSSCH on the basis of the slot n and an index of the sub-channel; identifying a PRB set for transmitting the PSFCH among the PRB sets; identifying a slot, configured in order to transmit the PSFCH, K slots after the slot n; and using the identified PRB to transmit the PSFCH in the identified slot, wherein n and K are positive integers.

IPC Classes  ?

• H04L 5/00 - Arrangements affording multiple use of the transmission path
• H04W 72/25 - Control channels or signalling for resource management between terminals via a wireless link, e.g. sidelink
• H04W 72/04 - Wireless resource allocation
• H04L 1/18 - Automatic repetition systems, e.g. Van Duuren systems
• H04L 1/00 - Arrangements for detecting or preventing errors in the information received
• H04W 74/08 - Non-scheduled access, e.g. random access, ALOHA or CSMA [Carrier Sense Multiple Access]
• H04W 72/232 - Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the physical layer, e.g. DCI signalling

Abstract

The present disclosure provides a random access method. The method according to an embodiment of the present disclosure, performed by a terminal using an asynchronous grant-free non-orthogonal multiple access scheme, may comprise the steps of: acquiring random access preamble generation information from a base station; generating a primary random access preamble on the basis of the random access preamble generation information; and transmitting the generated primary random access preamble to the base station.

IPC Classes  ?

• H04W 74/08 - Non-scheduled access, e.g. random access, ALOHA or CSMA [Carrier Sense Multiple Access]
• H04L 27/26 - Systems using multi-frequency codes
• H04W 56/00 - Synchronisation arrangements
• H04W 74/00 - Wireless channel access, e.g. scheduled or random access
• H04W 84/06 - Airborne or Satellite Networks

Abstract

Disclosed herein is a method for adding an additional chain to a blockchain. The method includes depositing, by a node of the blockchain, an asset corresponding to the additional chain; selecting the node as one of consensus nodes for connecting an additional block to the additional chain based on a share value corresponding to the asset; and performing, by the node, distributed consensus for connecting the additional block. Here, nodes constituting the blockchain include major shareholder nodes for processing transactions.

IPC Classes  ?

• G06F 16/27 - Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor

Abstract

Disclosed are a MEMS gas sensor and a manufacturing method thereof. The MEMS gas sensor includes a substrate having a recess, a membrane disposed in the recess and having a through-hole configured to expose a portion of a top surface of the substrate, which is disposed at a central portion of the recess, sensing electrodes disposed in the membrane, and a sensing layer disposed on each of bottom and top surfaces of the membrane and disposed in the through-hole.

IPC Classes  ?

• G01N 27/12 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon reaction with a fluid

Abstract

Disclosed is an encoder which receives first to third input frames included first intra period and outputs a bitstream corresponding to the third input frame. The encoder includes a motion compensation unit that generates a first reference frame corresponding to the first input frame and a second reference frame corresponding to the second input frame, a union operation unit that generates an overlap frame by performing a union operation based on the first reference frame and the second reference frame, and an inter prediction unit that generates an occupancy code by performing an inter prediction operation on the overlap frame and the third input frame. In this case, the bitstream includes the occupancy code.

IPC Classes  ?

• H04N 19/513 - Processing of motion vectors
• 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 19/172 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a picture, frame or field

Abstract

An apparatus and method for providing an SFC service exposure function in a wireless communication system is proposed. The apparatus and method relates to a wireless communication system in general, and specifically, the method includes a process of requesting a service function chaining (SFC) service from a network exposure function (NEF), wherein, in the process of requesting the SFC service, the SFC service is requested by inputting an SFC policy identifier and a metadata value on a basis of an Nnef_TrafficInfluence service interface, and the SFC policy identifier is mapped to an identifier defined in a policy and charging control (PCC) rule.

IPC Classes  ?

• H04W 4/50 - Service provisioning or reconfiguring

Abstract

A technique for beam management in a communication system is disclosed. Provided is the method of a terminal, comprising the steps of: receiving reference signals through primary candidate beams from a base station; acquiring measurement information about the reference signals of the primary candidate beams; using an AI/ML model on the basis of the measurement information about the primary candidate beams so as to select secondary candidate beams; and transmitting, to the base station, the information about the selected secondary candidate beams.

IPC Classes  ?

• 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
• H04B 7/08 - Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
• H04W 24/08 - Testing using real traffic
• H04W 24/10 - Scheduling measurement reports
• H04B 17/318 - Received signal strength
• H04B 17/336 - Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]
• H04W 72/231 - Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the layers above the physical layer, e.g. RRC or MAC-CE signalling
• H04L 5/00 - Arrangements affording multiple use of the transmission path
• G06N 20/00 - Machine learning

Abstract

A method and apparatus for channel access in unlicensed band communication are disclosed. The method for a first terminal comprises the steps of: receiving, from a second terminal, shared information of a COT initiated by the second terminal; on the basis of the shared information, determining whether or not an SL transmission by the first terminal may be performed in the COT; and if the SL transmission may be performed in the COT, performing the SL transmission in the COT shared by the second terminal.

IPC Classes  ?

• H04W 74/08 - Non-scheduled access, e.g. random access, ALOHA or CSMA [Carrier Sense Multiple Access]
• H04W 72/25 - Control channels or signalling for resource management between terminals via a wireless link, e.g. sidelink
• H04W 72/04 - Wireless resource allocation
• H04L 1/18 - Automatic repetition systems, e.g. Van Duuren systems
• H04W 24/08 - Testing using real traffic
• H04W 92/18 - Interfaces between hierarchically similar devices between terminal devices
• H04W 74/00 - Wireless channel access, e.g. scheduled or random access
• H04W 16/14 - Spectrum sharing arrangements

Abstract

A method and a device for channel access in sidelink communication are disclosed. A method of a first terminal comprises the steps of: initiating a COT; performing groupcast SL transmission within the COT; receiving one or more HARQ-ACK feedbacks for the groupcast SL transmission; when a ratio threshold is configured for the first terminal, calculating an ACK ratio on the basis of the one or more HARQ-ACK feedbacks; and adjusting a CW on the basis of a result of comparison between the ACK ratio and the ratio threshold.

IPC Classes  ?

• H04W 74/08 - Non-scheduled access, e.g. random access, ALOHA or CSMA [Carrier Sense Multiple Access]
• H04W 72/25 - Control channels or signalling for resource management between terminals via a wireless link, e.g. sidelink
• H04W 24/08 - Testing using real traffic
• H04L 1/18 - Automatic repetition systems, e.g. Van Duuren systems
• H04W 92/18 - Interfaces between hierarchically similar devices between terminal devices
• H04W 72/20 - Control channels or signalling for resource management
• H04W 72/12 - Wireless traffic scheduling

Abstract

Disclosed are a coverage enhancement method and device in a full-duplex communication system. A method of a terminal comprises the steps of: receiving, from a base station, information instructing the performing of a UL transmission; and performing the UL transmission in a resource area including a SBFD symbol and a non-SBFD symbol, wherein, in the SBFD symbol, at least one communication among DL communication or UL communication may be performed, and, in the non-SBFD symbol, only one communication among the DL communication or the UL communication may be performed.

IPC Classes  ?

• H04W 72/231 - Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the layers above the physical layer, e.g. RRC or MAC-CE signalling
• H04W 72/04 - Wireless resource allocation
• H04W 72/12 - Wireless traffic scheduling
• H04L 1/08 - Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system
• H04L 5/00 - Arrangements affording multiple use of the transmission path
• H04L 5/14 - Two-way operation using the same type of signal, i.e. duplex

Abstract

Disclosed are a method and apparatus for sidelink channel access in an unlicensed band. The method for a first terminal comprises the steps of: on the basis of a groupcast method, transmitting data to a plurality of terminals; receiving, from one or more terminals from among the plurality of terminals, one or more pieces of HARQ-ACK feedback on the data; adjusting the CW size on the basis of the result of comparison between an ACK ratio to the one or more pieces of HARQ-ACK feedback and a threshold value; and performing SL communication on the basis of a CW having the adjusted CW size.

IPC Classes  ?

• H04W 74/08 - Non-scheduled access, e.g. random access, ALOHA or CSMA [Carrier Sense Multiple Access]
• H04W 72/25 - Control channels or signalling for resource management between terminals via a wireless link, e.g. sidelink
• H04W 24/08 - Testing using real traffic
• H04W 76/14 - Direct-mode setup
• H04W 92/18 - Interfaces between hierarchically similar devices between terminal devices
• H04L 5/00 - Arrangements affording multiple use of the transmission path
• H04L 1/18 - Automatic repetition systems, e.g. Van Duuren systems

Abstract

A method for a terminal may comprise the steps of: receiving, from a base station, information related to a first operation mode using one of a UL or a DL in a time resource and information related to a second operation mode using both the UL and the DL in the time resource; receiving priority information of UL transmission and DL reception in the second operation mode from the base station; when the UL transmission and the DL reception are simultaneously indicated in the second operation mode from the base station, selecting one of the UL or the DL on the basis of the priority information; and communicating using the selected link.

IPC Classes  ?

• H04L 5/14 - Two-way operation using the same type of signal, i.e. duplex
• 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
• H04W 72/23 - Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
• H04W 84/04 - Large scale networks; Deep hierarchical networks

Abstract

Disclosed herein is a method for user-centered visitor access management, which may include issuing, by a management office server, a digital certificate to a householder terminal; registering, by a wall-pad, a householder in response to a request to register the householder based on the digital certificate; requesting, by the householder terminal, the management office server to register a visitor based on a visit request from a visitor terminal and delegating the digital certificate to the visitor terminal; making an entry request to a management terminal based on the digital certificate; verifying, by the wall-pad, the digital certificate based on a request for verification for entry from a wall-pad management terminal and providing a verification result to the wall-pad management terminal when the management terminal is the wall-pad management terminal; and managing and controlling, by the wall-pad, permission to use home devices based on delegated permission information of the digital certificate.

IPC Classes  ?

• G07C 9/38 - Individual registration on entry or exit not involving the use of a pass with central registration
• G07C 9/32 - Individual registration on entry or exit not involving the use of a pass in combination with an identity check

Abstract

A signal processing method to avoid deception attack and apparatus for performing the same are provided. The signal processing method includes generating a synthesized signal by receiving a signal from a satellite, detecting a deception signal from the synthesized signal based on tracking information on a signal currently being tracked, separating a normal navigation signal from the synthesized signal in response to the detecting of the deception signal, and computing a normal navigation solution based on the normal navigation signal.

IPC Classes  ?

• G01S 19/01 - Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
• G01S 19/25 - Acquisition or tracking of signals transmitted by the system involving aiding data received from a cooperating element, e.g. assisted GPS

Abstract

Disclosed herein are an apparatus and method for updating an Internet-based malware detection engine using virtual machine scaling. The method may include creating a scaling group and an update group set based on a first virtual machine image, creating a second virtual machine image for a running virtual machine in response to occurrence of a snapshot event in the virtual update group run based on the first virtual machine image, modifying the scale-out image of the scaling group to the second virtual machine image, updating the scaling group by triggering a scale-out event and a scale-in event in the scaling group in response to occurrence of an update event, and modifying the scale-in image of the scaling group to the second virtual machine image.

IPC Classes  ?

• G06F 21/53 - Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems during program execution, e.g. stack integrity, buffer overflow or preventing unwanted data erasure by executing in a restricted environment, e.g. sandbox or secure virtual machine
• G06F 9/455 - Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
• G06F 21/56 - Computer malware detection or handling, e.g. anti-virus arrangements

Abstract

Disclosed are a fingerprint forgery detection device and a method of operating the same. The fingerprint forgery detection device includes a memory that stores a first feature signal including biological channel feature information of a user, a transmitter including at least one transmission electrode for transmitting a pulse signal to the user, a receiver including at least one reception electrode for receiving a biological channel response signal in response to the transmitted pulse signal, and a signal processor for processing the biological channel response signal to detect whether a fingerprint is forged, and at least one processor that controls the memory, the transmitter, and the receiver.

IPC Classes  ?

• G06V 40/40 - Spoof detection, e.g. liveness detection
• G06V 10/70 - Arrangements for image or video recognition or understanding using pattern recognition or machine learning
• G06V 40/13 - Sensors therefor

Abstract

Provided is a self-supervised learning method based on permutation invariant cross entropy. A self-supervised learning method based on permutation invariant cross entropy performed by an electronic device includes: defining a cross entropy loss function for pre-training of an end-to-end speech recognition model; configuring non-transcription speech corpus data composed only of speech as input data of the cross entropy loss function; setting all permutations of classes included in the non-transcription speech corpus data as an output target and calculating cross entropy losses for each class; and determining a minimum cross entropy loss among the calculated cross entropy losses for each class as a final loss.

IPC Classes  ?

• G10L 15/16 - Speech classification or search using artificial neural networks
• G10L 15/06 - Creation of reference templates; Training of speech recognition systems, e.g. adaptation to the characteristics of the speaker's voice
• G10L 15/065 - Adaptation

Abstract

A method of automatically detecting a dynamic object recognition error in an autonomous vehicle is provided. The method includes parsing sensor data obtained by frame units from a sensor device equipped in an autonomous vehicle to generate raw data by using a parser, analyzing the raw data to output a dynamic object detection result by using a dynamic object recognition model, determining that detection of a dynamic object recognition error succeeds by using an error detector when the dynamic object detection result satisfies an error detection condition, and storing the raw data and the dynamic object detection result by using a non-volatile memory when the detection of the dynamic object recognition error succeeds.

IPC Classes  ?

• B60W 60/00 - Drive control systems specially adapted for autonomous road vehicles

Abstract

A method of a terminal may comprise: receiving a reference signal from a base station; generating channel information based on the reference signal; generating wavelet-transformed channel information by applying wavelet transform to the channel information; generating compressed channel information by compressing the wavelet-transformed channel information; and transmitting the compressed channel information to the base station.

IPC Classes  ?

• H04W 28/06 - Optimising, e.g. header compression, information sizing

Abstract

Disclosed is an image data generating method. Operations of emitting electromagnetic waves to an object and receiving scan signals scanning the object are performed by using a multi-static transceiver. First image data of a low resolution are generated based on the scan signals. when a first condition associated with the first image data is satisfied, second image data of a high resolution associated with a sub-region of the first image data are generated. When a second condition associated with the second image is satisfied, third image data based on the first image data and the second image data are generated.

IPC Classes  ?

• G06T 11/00 - 2D [Two Dimensional] image generation
• G01V 8/10 - Detecting, e.g. by using light barriers

Abstract

An image decoding method is disclosed in the present specification. An image decoding method according to the present invention may include: determining a position of a co-located block of a current block within a co-located picture (co-located picture); determining a representative motion vector of the current block by using motion information at the position of the co-located block; and deriving motion information on a sub-block included in the current block by using the representative motion vector.

IPC Classes  ?

• H04N 19/139 - Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
• H04N 19/159 - Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
• 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 19/593 - Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques