Patents by Inventor Seung Hyun Cho

Seung Hyun Cho has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Image encoding/decoding method and recording medium for same
    Patent number: 11206407
    Abstract: The present invention relates to a method of performing motion compensation by using motion vector prediction. To this end, a method of decoding an image may include: generating multiple motion vector candidate lists according to an inter-prediction direction of a current block; deriving multiple motion vectors for the current block by using the multiple motion vector candidate lists; determining multiple prediction blocks for the current block by using the multiple motion vectors; and obtaining a final prediction block for the current block based on the multiple prediction blocks.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: December 21, 2021
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sung Chang Lim, Jung Won Kang, Ha Hyun Lee, Dong San Jun, Hyun Suk Ko, Jin Ho Lee, Seung Hyun Cho, Hui Yong Kim, Jin Soo Choi
  • Method and apparatus for measuring video quality based on detection of change in perceptually sensitive region
    Patent number: 11205257
    Abstract: Disclosed herein are a method and apparatus for measuring video quality based on a perceptually sensitive region. The quality of video may be measured based on a perceptually sensitive region and a change in the perceptually sensitive region. The perceptually sensitive region includes a spatial perceptually sensitive region, a temporal perceptually sensitive region, and a spatio-temporal perceptually sensitive region. Perceptual weights are applied to a detected perceptually sensitive region and a change in the detected perceptually sensitive region. Distortion is calculated based on the perceptually sensitive region and the change in the perceptually sensitive region, and a result of quality measurement for a video is generated based on the calculated distortion.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: December 21, 2021
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Se-Yoon Jeong, Dae-Yeol Lee, Seung-Hyun Cho, Hyunsuk Ko, Youn-Hee Kim, Jong-Ho Kim, Jin-Wuk Seok, Joo-Young Lee, Woong Lim, Hui-Yong Kim, Jin-Soo Choi
  • cAMP RECEPTOR PROTEIN VARIANT AND METHOD OF PRODUCING L-AMINO ACID USING THE SAME
    Publication number: 20210388402
    Abstract: Provided are a cAMP receptor protein variant, a microorganism including the same, and a method of producing an L-amino acid using the same.
    Type: Application
    Filed: July 25, 2019
    Publication date: December 16, 2021
    Inventors: Ki Yong CHEONG, Hyeryun YOO, Chang II SEO, Jaemin LEE, Seung Hyun CHO
  • Method and device for encoding/decoding image, and recording medium storing bit stream
    Patent number: 11202063
    Abstract: An image encoding/decoding method and apparatus for predicting a second color component block using a first color component block are provided. An image decoding method of the present invention comprises deriving a prediction parameter using the first color component block, and predicting the second color component block using the derived prediction parameter.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: December 14, 2021
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jin Ho Lee, Hyun Suk Ko, Jung Won Kang, Sung Chang Lim, Ha Hyun Lee, Dong San Jun, Seung Hyun Cho, Hui Yong Kim, Jin Soo Choi
  • Image encoding/decoding method, apparatus, and recording medium for storing bitstream
    Patent number: 11184609
    Abstract: The present invention relates to an image encoding/decoding method and apparatus. The image decoding method according to the present invention may comprise constructing N MPM lists for a current block, wherein N is equal to or greater than 1, deriving an intra prediction mode of the current block based on the N MPM lists, and performing intra prediction for the current block based on the intra prediction mode.
    Type: Grant
    Filed: January 2, 2018
    Date of Patent: November 23, 2021
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Hyun Suk Ko, Sung Chang Lim, Jung Won Kang, Dong San Jun, Seung Hyun Cho, Jin Ho Lee, Ha Hyun Lee, Hui Yong Kim, Jin Soo Choi
  • Image encoding and decoding method and device using prediction network
    Patent number: 11166014
    Abstract: Disclosed herein are a method and apparatus for video decoding and a method and apparatus for video encoding. A prediction block for a target block is generated by predicting the target block using a prediction network, and a reconstructed block for the target block is generated based on the prediction block and a reconstructed residual block. The prediction network includes an intra-prediction network and an inter-prediction network and uses a spatial reference block and/or a temporal reference block when it performs prediction. For learning in the prediction network, a loss function is defined, and learning in the prediction network is performed based on the loss function.
    Type: Grant
    Filed: December 13, 2018
    Date of Patent: November 2, 2021
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Seung-Hyun Cho, Joo-Young Lee, Youn-Hee Kim, Jin-Wuk Seok, Woong Lim, Jong-Ho Kim, Dae-Yeol Lee, Se-Yoon Jeong, Hui-Yong Kim, Jin-Soo Choi
  • OPTICAL TRANSMITTING AND RECEIVING SYSTEM
    Publication number: 20210336715
    Abstract: Provided is an optical transmitting and receiving system. The optical transmitting and receiving system may include: a Main Hub Unit (MHU) configured to perform wavelength division multiplexing on a plurality of downlink signals using a plurality of wavelengths and transmit the multiplexed downlink signal through a first optical cable; a first Remote Optical Unit (ROU) configured to perform demultiplexing on the multiplexed downlink signal received from the MHU and output a part of the plurality of downlink signals; and a second ROU configured to perform demultiplexing on the multiplexed downlink signal and output other part of the plurality of downlink signals.
    Type: Application
    Filed: April 14, 2021
    Publication date: October 28, 2021
    Inventors: Eon-Sang KIM, Joonyoung KIM, Minkyu SUNG, Jong Hyun LEE, Seung-Hyun CHO
  • SEMICONDUCTOR DEVICE INCLUDING STACK STRUCTURE AND TRENCHES
    Publication number: 20210313352
    Abstract: A semiconductor device includes a plurality of blocks on a substrate. Trenches are disposed between the plurality of blocks. Conductive patterns are formed inside the trenches. A lower end of an outermost trench among the trenches is firmed at a level higher than a level of a lower end of the trench adjacent to the outermost trench. Each of the blocks includes insulating layers and gate electrodes, which are alternately and repeatedly stacked. Pillars pass through the insulating layers and the gate electrodes along a direction orthogonal to an upper surface of the substrate.
    Type: Application
    Filed: June 22, 2021
    Publication date: October 7, 2021
    Inventors: Seung Hyun CHO, Kwang Ho LEE, Ji Hwan YU, Jong Soo KIM
  • Intra prediction method and device
    Patent number: 11128861
    Abstract: The present invention relates to an intra prediction method and apparatus. The image decoding method according to the present invention may comprise decoding information on intra prediction; and generating a prediction block by performing intra prediction for a current block based on the information on intra prediction. The information on intra prediction may include information on an intra prediction mode, and the intra prediction mode may include a curved intra prediction mode.
    Type: Grant
    Filed: June 15, 2017
    Date of Patent: September 21, 2021
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Hyun Suk Ko, Jin Ho Lee, Sung Chang Lim, Jung Won Kang, Ha Hyun Lee, Dong San Jun, Seung Hyun Cho, Hui Yong Kim, Jin Soo Choi
  • Video encoding/decoding method and device, and recording medium having bitstream stored therein
    Patent number: 11128862
    Abstract: An image encoding/decoding method and apparatus for performing intra prediction are provided. An image decoding method of the present invention comprises deriving an intra-prediction mode for a current block, determining whether or not a left boundary or an upper boundary of the current block is a boundary of a predetermined image region, configuring a reference sample by using at least one reconstructed sample included in at least one reconstructed sample line adjacent to the current block based on the determination result, and performing intra-prediction for the current block based on the intra-prediction mode and the reference sample.
    Type: Grant
    Filed: September 11, 2017
    Date of Patent: September 21, 2021
    Assignee: Research and Telecommunications Research Insitute
    Inventors: Seung Hyun Cho, Jung Won Kang, Sung Chang Lim, Hyun Suk Ko, Dong San Jun, Jin Ho Lee, Ha Hyun Lee, Hui Yong Kim, Jin Soo Choi
  • STRUT STRUCTURE WITH STRIP FOR EXHAUST DIFFUSER AND GAS TURBINE HAVING THE SAME
    Publication number: 20210254508
    Abstract: A strut structure with a strip for an exhaust diffuser of a gas turbine and a gas turbine having the same are provided. The strut structure with a strip for an exhaust diffuser of a gas turbine is configured to include a plurality of struts disposed along an outer circumference of a diffuser body disposed on a central side of the exhaust diffuser, and one or more strips formed on the strut, wherein an exhaust gas passing through the strut flows along the strip from a leading edge of the strut to alleviate a separated flow phenomenon, and wherein if the exhaust gas enters the strip, corner vortices are formed on the leading edge of the strut, and if the exhaust gas flows along the strip, streamwise vortices are formed to alleviate a pressure loss of the exhaust gas.
    Type: Application
    Filed: November 9, 2020
    Publication date: August 19, 2021
    Inventors: Seung Hyun CHO, Ik Sang LEE
  • SECURE COMMUNICATION METHOD AND DEVICE PERFORMING THE SAME
    Publication number: 20210258778
    Abstract: A secure communication method and an apparatus performing the same are disclosed. The communication method includes receiving a signal encrypted based on at least one attractor and decrypting a security signal received using a neural network trained based on a training signal.
    Type: Application
    Filed: December 16, 2020
    Publication date: August 19, 2021
    Inventors: Joonyoung KIM, Sang Rok MOON, Heuk PARK, Minkyu SUNG, Seung-Hyun CHO
  • Semiconductor device including stack structure and trenches
    Patent number: 11056506
    Abstract: A semiconductor device includes a plurality of blocks on a substrate. Trenches are disposed between the plurality of blocks. Conductive patterns are formed inside the trenches. A lower end of an outermost trench among the trenches is formed at a level higher than a level of a lower end of the trench adjacent to the outermost trench. Each of the blocks includes insulating layers and gate electrodes, which are alternately and repeatedly stacked. Pillars pass through the insulating layers and the gate electrodes along a direction orthogonal to an upper surface of the substrate.
    Type: Grant
    Filed: June 2, 2020
    Date of Patent: July 6, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung Hyun Cho, Kwang Ho Lee, Ji Hwan Yu, Jong Soo Kim
  • VIDEO ENCODING/DECODING METHOD AND APPARATUS, AND RECORDING MEDIUM IN WHICH BIT STREAM IS STORED
    Publication number: 20210195188
    Abstract: An image encoding/decoding method and apparatus are provided. An image decoding method performed by an image decoding apparatus of the present invention may comprise decoding an indicator indicating whether or not partition information of a current block is derived from partition information of a corresponding block of the current block, obtaining the partition information of the current block based on the decoded indicator, and partitioning the current block based on the obtained partition information.
    Type: Application
    Filed: December 22, 2020
    Publication date: June 24, 2021
    Applicants: Electronics and Telecommunications Research Institute, INDUSTRY-UNIVERSITY COOPERATION FOUNDATION KOREA AEROSPACE UNIVERSITY, HANBAT NATIONAL UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Jin Ho LEE, Jung Won KANG, Hyun Suk KO, Sung Chang LIM, Ha Hyun LEE, Dong San JUN, Seung Hyun CHO, Hui Yong KIM, Hae Chul CHOI, Aram BACK, Jin Soo CHOI, Jae Gon KIM
  • SYSTEM ON CHIP, MEMORY DEVICE, ELECTRONIC DEVICE COMPRISING THE SOC AND MEMORY DEVICE, AND METHOD FOR STORING DATA IN THE ELECTRONIC DEVICE
    Publication number: 20210182223
    Abstract: Provided is a SoC, a memory device, an electronic device and a method for storing data in an electronic device. The electronic device comprises a host configured to output data, and a memory device including a memory storage configured to receive the data and to store the data. The host is configured to generate data bus inversion (DBI) information on the data to be provided to the memory device in accordance with a data parallelizing system, the data parallelizing system being inside the memory device, and to provide the DBI information to the memory device. The memory device is configured to provide the data to the memory storage, the data output from the host, the data encoded in accordance with the DBI information, the providing the data being in accordance with the data parallelizing system.
    Type: Application
    Filed: September 10, 2020
    Publication date: June 17, 2021
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Ji Hyun CHOI, Hyun-Joong KIM, Joon Sik SOHN, Woong-Jae SONG, Soo-Woong AHN, Seung-Hyun CHO
  • Video encoding/decoding method and apparatus, and recording medium in which bit stream is stored
    Patent number: 11039130
    Abstract: An image encoding/decoding method and apparatus are provided. An image decoding method performed by an image decoding apparatus according to the present invention may comprise deriving an intra-prediction mode of a current block, and performing intra-prediction for the current block based on the intra-prediction mode. The deriving of the intra-prediction mode may comprise decoding a predetermined mode sameness indicator.
    Type: Grant
    Filed: October 24, 2017
    Date of Patent: June 15, 2021
    Assignees: Electronics and Telecommunications Research Institute, Industry-University Cooperation Foundation Korea Aerospace University, Hanbat National University Industry-Academic Cooperation Foundation
    Inventors: Jin Ho Lee, Sung Chang Lim, Jung Won Kang, Hyun Suk Ko, Ha Hyun Lee, Dong San Jun, Seung Hyun Cho, Hui Yong Kim, Jae Gon Kim, Do Hyeon Park, Jin Soo Choi, Hae Chul Choi
  • METHOD AND APPARATUS FOR ENCODING/DECODING IMAGE AND RECORDING MEDIUM STORING BIT STREAM
    Publication number: 20210168362
    Abstract: An image encoding/decoding method and apparatus are provided. An image decoding method of the present invention comprises decoding first information indicating whether a maximum of N intra prediction modes are used or a maximum of M intra prediction modes are used for an intra prediction for a current block, in which the M is smaller than the N, deriving an intra prediction mode of the current block, inverse-mapping the derived intra prediction mode on a corresponding intra prediction mode among the maximum N intra prediction modes when the decoded first information indicates that the maximum M intra prediction modes are used for the intra prediction for the current block, and generating an intra prediction block by performing an intra prediction for the current block, based on the inverse-mapped intra prediction mode.
    Type: Application
    Filed: February 12, 2021
    Publication date: June 3, 2021
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Dong San JUN, Jin Ho LEE, Jung Won KANG, Hyun Suk KO, Sung Chang LIM, Ha Hyun LEE, Seung Hyun CHO, Hui Yong KIM, Jin Soo CHOI
  • Inter-prediction method and apparatus using reference frame generated based on deep learning
    Patent number: 11019355
    Abstract: An inter-prediction method and apparatus uses a reference frame generated based on deep learning. In the inter-prediction method and apparatus, a reference frame is selected, and a virtual reference frame is generated based on the selected reference frame. A reference picture list is configured to include the generated virtual reference frame, and inter prediction for a target block is performed based on the virtual reference frame. The virtual reference frame may be generated based on a deep-learning network architecture, and may be generated based on video interpolation and/or video extrapolation that use the selected reference frame.
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: May 25, 2021
    Assignee: Electronics and Telecommunications Research institute
    Inventors: Seung-Hyun Cho, Je-Won Kang, Na-Young Kim, Jung-Kyung Lee, Joo-Young Lee, Hyunsuk Ko, Youn-Hee Kim, Jong-Ho Kim, Jin-Wuk Seok, Dae-Yeol Lee, Woong Lim, Se-Yoon Jeong, Hui-Yong Kim, Jin-Soo Choi
  • METHOD AND APPARATUS FOR PROCESSING IMAGES USING IMAGE TRANSFORM NEURAL NETWORK AND IMAGE INVERSE-TRANSFORMING NEURAL NETWORK
    Publication number: 20210136416
    Abstract: Disclosed herein are a video decoding method and apparatus and a video encoding method and apparatus. A transformed block is generated by performing a first transformation that uses a prediction block for a target block. A reconstructed block for the target block is generated by performing a second transformation that uses the transformed block. The prediction block may be a block present in a reference image, or a reconstructed block present in a target image. The first transformation and the second transformation may be respectively performed by neural networks. Since each transformation is automatically performed by the corresponding neural network, information required for a transformation may be excluded from a bitstream.
    Type: Application
    Filed: November 27, 2018
    Publication date: May 6, 2021
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Youn-Hee KIM, Hui-Yong KIM, Seung-Hyun CHO, Jin-Wuk SEOK, Joo-Young LEE, Woong LIM, Jong-Ho KIM, Dae-Yeol LEE, Se-Yoon JEONG, Jin-Soo CHOI
  • Method and apparatus for encoding/decoding image and recording medium storing bit stream
    Patent number: 10958903
    Abstract: An image encoding/decoding method and apparatus are provided. An image decoding method of the present invention comprises decoding first information indicating whether a maximum of N intra prediction modes are used or a maximum of M intra prediction modes are used for an intra prediction for a current block, in which the M is smaller than the N, deriving an intra prediction mode of the current block, inverse-mapping the derived intra prediction mode on a corresponding intra prediction mode among the maximum N intra prediction modes when the decoded first information indicates that the maximum M intra prediction modes are used for the intra prediction for the current block, and generating an intra prediction block by performing an intra prediction for the current block, based on the inverse-mapped intra prediction mode.
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: March 23, 2021
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Dong San Jun, Jin Ho Lee, Jung Won Kang, Hyun Suk Ko, Sung Chang Lim, Ha Hyun Lee, Seung Hyun Cho, Hui Yong Kim, Jin Soo Choi