Abstract: Disclosed decoding method of the intra prediction mode comprises the steps of: determining whether an intra prediction mode of a present prediction unit is the same as a first candidate intra prediction mode or as a second candidate intra prediction mode on the basis of 1-bit information; and determining, among said first candidate intra prediction mode and said second candidate intra prediction mode, which candidate intra prediction mode is the same as the intra prediction mode of said present prediction unit on the basis of additional 1-bit information, if the intra prediction mode of the present prediction unit is the same as at least either the first candidate intra prediction mode or the second candidate intra prediction mode, and decoding the intra prediction mode of the present prediction unit.
Type:
Grant
Filed:
June 1, 2023
Date of Patent:
February 11, 2025
Assignees:
Electronics and Telecommunications Research Institute, Korea Advanced Institute of Science and Technology
Inventors:
Jong Ho Kim, Hui Yong Kim, Se Yoon Jeong, Sung Chang Lim, Ha Hyun Lee, Jin Ho Lee, Suk Hee Cho, Jin Soo Choi, Jin Woong Kim, Chie Teuk Ahn, Mun Churl Kim, Bum Shik Lee
Abstract: A method of managing system health is provided. The method includes calculating a reconstruction missing value with respect to the second domain data, determining a degree of degradation of the system on the basis of the reconstruction missing value, predicting a second remaining useful life (RUL) prediction value {tilde over (y)} of the system on the basis of the second domain data, based on a result of the determination of the degree of degradation, optimizing a degradation compensation function on the basis of a distribution of a first RUL prediction value y of the system predicted based on the first domain data in a pre-learning process of the diagnosis model, and predicting a final RUL prediction value {tilde over (y)}? obtained by compensating for the second RUL prediction value {tilde over (y)}, by using the optimized degradation compensation function.
Type:
Grant
Filed:
October 13, 2022
Date of Patent:
February 11, 2025
Assignee:
Electronics and Telecommunications Research Institute
Inventors:
Nack Woo Kim, Byung Tak Lee, Jun Gi Lee, Hyun Yong Lee
Abstract: An image decoding method comprises the steps of: obtaining a current coding tree unit (CTU) of a first size configuring a current picture; determining whether to implicitly divide the current coding tree unit; dividing the current coding tree unit into one or more coding units (CUs) based on the determination; obtaining, from a bitstream, division information for a current coding unit among the one or more coding units; and dividing and decoding the current coding unit..
Type:
Grant
Filed:
February 27, 2018
Date of Patent:
February 11, 2025
Assignees:
Electronics And Telecommunications Research Institute, CHIPS & MEDIA, INC.
Inventors:
Min Yong Jeon, Dong Jin Park, Dae Yeon Kim, Sung Chang Lim, Jung Won Kang, Ha Hyun Lee, Jin Ho Lee, Hui Yong Kim
Abstract: The present invention relates to an image encoding/decoding method and apparatus. An image encoding method according to the present invention may comprise generating a transform block by performing at least one of transform and quantization; grouping at least one coefficient included in the transform block into at least one coefficient group (CG); scanning at least one coefficient included in the coefficient group; and encoding the at least one coefficient.
Type:
Grant
Filed:
November 20, 2023
Date of Patent:
February 11, 2025
Assignees:
Electronics and Telecommunications Research Institute, Industry Academy Cooperation Foundation of Sejong University
Inventors:
Sung Chang Lim, Jung Won Kang, Hyun Suk Ko, Jin Ho Lee, Dong San Jun, Ha Hyun Lee, Seung Hyun Cho, Hui Yong Kim, Jin Soo Choi, Yung Lyul Lee, Jun Woo Choi
Abstract: The present invention relates to an image encoding method and an image decoding method. The image decoding method includes partitioning a picture into a plurality of coding units, constructing a coding unit group including at least one coding unit of the plurality of coding units, obtaining coding information in units of one coding unit group, and decoding at least one coding unit of the plurality of coding units included in the coding unit group by using the obtained coding information.
Type:
Grant
Filed:
January 12, 2024
Date of Patent:
February 11, 2025
Assignee:
Electronics and Telecommunications Research Institute
Inventors:
Jung Won Kang, Sung Chang Lim, Hyun Suk Ko, Ha Hyun Lee, Jin Ho Lee, Dong San Jun, Seung Hyun Cho, Hui Yong Kim, Jin Soo Choi
Abstract: Disclosed is an operating method of a user communication device, which includes receiving a wakeup signal from a stationary communication device over a first human body communication channel, the wakeup signal having a frequency in a low frequency band, switching from a standby mode to a wakeup mode in response to the wakeup signal, and receiving a data signal from the stationary communication device over the first human body communication channel during the wakeup mode, and the first human body communication channel is provided by a body of a user of the user communication device.
Type:
Grant
Filed:
December 16, 2021
Date of Patent:
February 11, 2025
Assignee:
Electronics and Telecommunications Research Institute
Inventors:
Hyuk Kim, Hyung-Il Park, Tae Wook Kang, Sung Eun Kim, Mi Jeong Park, Kyung Jin Byun, Kwang Il Oh, Sukho Lee, Jae-Jin Lee, In Gi Lim, Kyuseung Han
Abstract: An operation method of a terminal in a communication system may comprise: receiving, from a base station, a first SSB; determining a RACH occasion associated with the first SSB; transmitting, to the base station, a PRACH preamble in the RACH occasion within a first radio resource to which a first SCS is applied; determining a slot to which the RACH occasion belongs based on a reference radio resource to which a reference SCS is applied instead of the first SCS; determining an RNTI for a random access procedure based on a slot index for the slot; and performing a reception operation of a response for the PRACH preamble by using the RNTI in the first radio resource.
Type:
Grant
Filed:
February 25, 2022
Date of Patent:
February 11, 2025
Assignee:
Electronics and Telecommunications Research Institute
Inventors:
Jung Hoon Lee, Cheul Soon Kim, Sung Hyun Moon
Abstract: Disclosed is an adaptive deep learning inference system that adapts to changing network latency and executes deep learning model inference to ensure end-to-end data processing service latency when providing a deep learning inference service in a mobile edge computing (MEC) environment. An apparatus and method for providing a deep learning inference service performed in an MEC environment including a terminal device, a wireless access network, and an edge computing server are provided. The apparatus and method provide deep learning inference data having deterministic latency, which is fixed service latency, by adjusting service latency required to provide a deep learning inference result according to a change in latency of the wireless access network when at least one terminal device senses data and requests a deep learning inference service.
Type:
Grant
Filed:
November 4, 2021
Date of Patent:
February 4, 2025
Assignee:
Electronics and Telecommunications Research Institute
Inventors:
Ryang Soo Kim, Geun Yong Kim, Sung Chang Kim, Hark Yoo, Jae In Kim, Chor Won Kim, Hee Do Kim, Byung Hee Son
Abstract: An apparatus and method for directly exposing, by user plane function/network side-time sensitive networking translator (UPF/NW-TT), event result information to time sensitive networking (TSN) or time sensitive communication time synchronization function (TSCTSF) through service interface (Nupf) in wireless communication system.
Type:
Grant
Filed:
May 4, 2023
Date of Patent:
February 4, 2025
Assignee:
Electronics and Telecommunications Research Institute
Inventors:
Changki Kim, Jeoung Lak Ha, Yoo Hwa Kang, Seung Han Choi
Abstract: Provided is an operation method of a time sensitive communication and time synchronization function (TSCTSF) in a wireless communication system, the operation method including: obtaining a deterministic networking (DetNet) configuration parameter from a first AF outside a service provider network; generating parameter mapping information on the basis of the DetNet configuration parameter; and providing the parameter mapping information to a second AF inside the service provider network, wherein the TSCTSF is a network function for providing the AF outside or inside the service provider network with time sensitive communication and time synchronization services.
Type:
Grant
Filed:
July 10, 2023
Date of Patent:
February 4, 2025
Assignee:
Electronics and Telecommunications Research Institute
Inventors:
Kyung Soo Kim, Yoo Hwa Kang, Changki Kim
Abstract: Disclosed are a method and an apparatus for transmitting or receiving uplink feedback information in a communication system. An operation method of a terminal may comprise receiving downlink control information (DCI) from a base station, the DCI including resource allocation information of a physical downlink shared channel (PDSCH); receiving data #n from the base station through the PDSCH indicated by the DCI; generating a hybrid automatic repeat request (HARQ) codebook including an HARQ response bit #n for the data #n and an HARQ response bit #n?1 for data #n?1 received from the base station before the data #n; and transmitting the HARQ codebook to the base station. Therefore, the performance of the communication system can be improved.
Type:
Grant
Filed:
October 17, 2023
Date of Patent:
February 4, 2025
Assignee:
Electronics and Telecommunications Research Institute
Inventors:
Cheul Soon Kim, Jae Heung Kim, Sung Hyun Moon, Jung Hoon Lee
Abstract: Disclosed are various methods for transmitting or receiving data or control information having high reliability conditions. A method for operating a terminal which transmits uplink control information (UCI) includes: a step of generating UCI; a step of comparing the priority of an uplink (UL) control channel for the transmission of the UCI with the priority of a UL data channel when some symbols of the UL control channel and the UL data channel overlap; and a step of selecting the UL channel having a higher priority among the UL control channel and the UL data channel, and transmitting the UCI to a base station through the selected UL channel.
Type:
Grant
Filed:
January 17, 2024
Date of Patent:
February 4, 2025
Assignee:
Electronics and Telecommunications Research Institute
Inventors:
Cheul Soon Kim, Sung Hyun Moon, Seung Kwon Baek, Gi Yoon Park, Ok Sun Park, Jae Su Song
Abstract: A method of a terminal may comprise: performing a connection procedure with each of a first network and a second network based on a multi-connectivity function; performing uplink communication with the first network and the second network; calculating a power reduction value of the uplink communication for at least one of the first network or the second network; and deciding whether to perform the uplink communication based on the power reduction value.
Type:
Application
Filed:
July 22, 2024
Publication date:
January 30, 2025
Applicant:
Electronics and Telecommunications Research Institute
Abstract: An intra prediction method according to the present invention comprises the following steps: performing a directional prediction using at least one of a neighboring pixel of a current block and a left upper corner pixel positioned at a left upper corner of the current block so as to obtain a first prediction value for the current block; obtaining a second prediction value for the current block using the reference sample positioned in the current block; and weighted summing the first prediction value and the second prediction value using a weighting matrix so as to obtain a final prediction value for the current block. According to the present invention, image encoding/decoding efficiency may be improved.
Type:
Application
Filed:
October 15, 2024
Publication date:
January 30, 2025
Applicant:
Electronics and Telecommunications Research Institute
Inventors:
Jin Ho LEE, Hui Yong KIM, Sung Chang LIM, Jong Ho KIM, Ha Hyun LEE, Se Yoon JEONG, Suk Hee CHO, Jin Soo CHOI, Jin Woong KIM, Chie Teuk AHN
Abstract: An inter prediction method according to the present invention comprises the steps of: selecting candidate units from among reconstructed neighbor units; creating a candidate unit set with respect to units to be decoded, using the selected candidate units; determining a reference unit from among the candidate units which constitute the created candidate unit set; and performing inter prediction on the units to be decoded, using the determined reference unit. According to the present invention, image encoding/decoding efficiency can be improved.
Type:
Application
Filed:
October 15, 2024
Publication date:
January 30, 2025
Applicant:
Electronics and Telecommunications Research Institute
Inventors:
Sung Chang LIM, Hui Yong KIM, Se Yoon JEONG, Suk Hee CHO, Jong Ho KIM, Ha Hyun LEE, Jin Ho LEE, Jin Soo CHOI, Jin Woong KIM, Chie Teuk AHN
Abstract: Disclosed herein are an apparatus and method for calculating a multiplicative inverse. The apparatus for calculating a multiplicative inverse includes a data input unit for receiving input data, a multiplicative inverse calculation unit for dividing an input degree-8 finite field corresponding to the input data into two first degree-4 finite fields so as to perform Advanced Encryption Standard (AES) encryption on the input data, and for performing a multiplicative inverse calculation on the first degree-4 finite fields in consideration of a circuit depth value (T-Depth) and qubit consumption of quantum gates in a quantum circuit, and a data output unit for outputting result data obtained by performing the multiplicative inverse calculation.
Type:
Grant
Filed:
March 26, 2021
Date of Patent:
January 28, 2025
Assignee:
Electronics and Telecommunications Research Institute
Inventors:
Do-Young Chung, Doo-Ho Choi, Sok-Joon Lee, Seung-Kwang Lee
Abstract: Provided are an image encoding method and device. When carrying out image encoding for a block within a slice, at least one block in a restored block of the slice is set as a reference block. When this is done, the encoding parameters of the reference block are distinguished, and the block to be encoded is encoded adaptively based on the encoding parameters.
Type:
Grant
Filed:
September 27, 2023
Date of Patent:
January 28, 2025
Assignee:
Electronics and Telecommunications Research Institute
Inventors:
Sung Chang Lim, Jong Ho Kim, Hae Chul Choi, Hui Yong Kim, Ha Hyun Lee, Jin Ho Lee, Se Yoon Jeong, Suk Hee Cho, Jin Soo Choi, Jin Woo Hong, Jin Woong Kim
Abstract: An apparatus and method for broadcast signal frame using layered division multiplexing are disclosed. An apparatus for generating broadcast signal frame according to an embodiment of the present invention includes a combiner configured to generate a multiplexed signal by combining a core layer signal and an enhanced layer signal at different power levels; a power normalizer configured to reduce the power of the multiplexed signal to a power level corresponding to the core layer signal; a time interleaver configured to generate a time-interleaved signal by performing interleaving that is applied to both the core layer signal and the enhanced layer signal; and a frame builder configured to generate a broadcast signal frame including a preamble for signaling time interleaver information shared by the core layer signal and the enhanced layer signal, using the time-interleaved signal.
Type:
Grant
Filed:
August 15, 2023
Date of Patent:
January 28, 2025
Assignee:
Electronics and Telecommunications Research Institute
Inventors:
Jae-Young Lee, Heung-Mook Kim, Sung-Ik Park, Sun-Hyoung Kwon
Abstract: The present invention relates to a method and apparatus for setting a reference picture index of a temporal merging candidate. An inter-picture prediction method using a temporal merging candidate can include the steps of: determining a reference picture index for a current block; and inducing a temporal merging candidate block of the current block and calculating a temporal merging candidate from the temporal merging candidate block, wherein the reference picture index of the temporal merging candidate can be calculated regardless of whether a block other than the current block is decoded. Accordingly, a video processing speed can be increased and video processing complexity can be reduced.
Type:
Grant
Filed:
October 31, 2023
Date of Patent:
January 28, 2025
Assignees:
Electronics and Telecommunications Research Institute, University-Industry Cooperation Group of Kyung Hee University
Inventors:
Hui Yong Kim, Gwang Hoon Park, Kyung Yong Kim, Sang Min Kim, Sung Chang Lim, Jin Ho Lee, Jin Soo Choi, Jin Woong Kim
Abstract: Disclosed is a sensor and a method of manufacturing the same. The method includes forming a plurality of electrodes on a substrate and forming a sensor layer on the substrate between the plurality of electrodes. The forming of the sensor layer includes coating a nanoparticle layer, providing deionized water on the nanoparticle layer to form a spontaneous transition layer, and annealing the spontaneous transition layer to form the sensor layer.
Type:
Grant
Filed:
December 30, 2021
Date of Patent:
January 28, 2025
Assignees:
Electronics and Telecommunications Research Institute, Pusan National University Industry-University Cooperation
Inventors:
Hyung Ju Park, A Hyeon Ma, Ki Min Nam, Dae-Sik Lee