Patents by Inventor Hyun-suk Ko

Hyun-suk Ko 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).

  • Publication number: 20230058060
    Abstract: The present invention relates to a method for encoding/decoding a video. To this end, the method for decoding a video may include: generating a merge candidate list of a current block including at least one merge candidate corresponding to each of a plurality of reference picture lists; determining at least one piece of motion information by using the merge candidate list; and generating a prediction block of the current block by using the determined at least one piece of motion information.
    Type: Application
    Filed: October 26, 2022
    Publication date: February 23, 2023
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Sung Chang LIM, Jung Won KANG, Hyun Suk KO, Ha Hyun LEE, Dong San JUN, Jin Ho LEE, Seung Hyun CHO, Hui Yong KIM, Jin Soo CHOI
  • Publication number: 20230049685
    Abstract: An image encoding/decoding method may comprise deriving at least one merge candidate of a current block, generating an initial merge candidate list of the current block by using the derived at least one merge candidate and generating a reconfigured merge candidate list by using the initial merge candidate list.
    Type: Application
    Filed: October 6, 2022
    Publication date: February 16, 2023
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Dong San JUN, Jung Won KANG, Hyun Suk KO, Sung Chang LIM, Jin Ho LEE, Ha Hyun LEE, Hui Yong KIM
  • Publication number: 20230042486
    Abstract: A method and apparatus use a geometric modified image for video encoding/decoding. The encoding method may include: generating a geometric modified reference picture by geometrically modifying a reference picture; generating a prediction block of a current block within an encoding target picture by performing inter prediction by referencing the reference picture or the geometrically modified reference picture; and encoding inter-prediction information of the current block.
    Type: Application
    Filed: October 25, 2022
    Publication date: February 9, 2023
    Applicants: Electronics and Telecommunications Research Institute, University-Industry Cooperation Group of Kyung Hee University
    Inventors: Jung Won KANG, Hyun Suk KO, Sung Chang LIM, Jin Ho LEE, Dong San JUN, Hui Yong KIM, Gwang Hoon PARK, Jin Soo CHOI, Tae Hyun KIM, Dae Young LEE, Young Su HEO
  • Patent number: 11575885
    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: September 29, 2017
    Date of Patent: February 7, 2023
    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
  • Publication number: 20230019860
    Abstract: A semiconductor device including a substrate; first and second active patterns on the substrate, extending in a first direction and spaced apart in a second direction; gate electrodes on the first and second active patterns and extending in the second direction; a first gate separation structure between the first and second active patterns, extending in the first direction, and separating the gate electrodes; and a first element separation structure between the gate electrodes, extending in the second direction, and separating the second active pattern, wherein a distance to a first side of a first portion of the first gate separation structure is smaller than a distance to the first side of a second portion of the first gate separation structure, and a distance to the second side of the first portion is smaller than a distance from the second active pattern to the second side of the second portion.
    Type: Application
    Filed: April 12, 2022
    Publication date: January 19, 2023
    Inventors: Myung-Dong KO, Keon Yong CHEON, Dong Won KIM, Hyun Suk KIM, Sang Hyeon LEE, Hyung Suk LEE
  • Patent number: 11558640
    Abstract: The present invention relates to an image encoding/decoding method and apparatus. The image decoding method according to the present invention may comprise configuring an MPM list based on intra-prediction modes of neighbor blocks of a current block and a number of frequencies of the intra-prediction modes of the neighbor blocks, deriving an intra-prediction mode of the current block based on the MPM list, and performing intra-prediction for the current block based on the intra-prediction mode.
    Type: Grant
    Filed: July 12, 2021
    Date of Patent: January 17, 2023
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Hyun Suk Ko, Sung Chang Lim, Jung Won Kang, Jin Ho Lee, Ha Hyun Lee, Dong San Jun, Hui Yong Kim
  • Patent number: 11539943
    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: May 13, 2021
    Date of Patent: December 27, 2022
    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
  • Publication number: 20220408083
    Abstract: The present invention relates to a method and apparatus for video encoding/decoding by using a geometric modified picture. The encoding method according to the present invention includes: generating a geometric modified picture by geometrically modifying a reference picture; and generating a first prediction block of a current block by performing inter prediction referencing the geometric modified picture.
    Type: Application
    Filed: August 17, 2022
    Publication date: December 22, 2022
    Inventors: Jung Won KANG, Hyun Suk KO, Sung Chang LIM, Jin Ho LEE, Dong San JUN, Hui Yong KIM, Gwang Hoon PARK, Jin Soo CHOI, Tae Hyun KIM, Dae Young LEE, Young Su HEO
  • Publication number: 20220385887
    Abstract: Provided are method and apparatus methods and apparatuses for encoding an intra-prediction mode based on a secondary IPM. The present invention may comprises a first decision step of determining whether an intra-prediction mode of a current block is included in a first candidate mode set including M candidate modes (M is an integer equal to or greater than 1); a second decision step of determining whether the intra-prediction mode of the current block is included in a second candidate mode set including N candidate modes (N is an integer equal to or greater than 1) based on a first determination result representing a determination result of the first decision step; and an intra prediction mode encoding step of encoding the intra-prediction mode of the current block based on the first determination result or a second determination result representing a determination result of the second decision step.
    Type: Application
    Filed: August 11, 2022
    Publication date: December 1, 2022
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Dong San JUN, Jung Won KANG, Sung Chang LIM, Hyun Suk KO, Jin Ho LEE, Hui Yong KIM, Jin Soo CHOI
  • Patent number: 11516463
    Abstract: A method and apparatus use a geometric modified image for video encoding/decoding. The encoding method may include: generating a geometric modified reference picture by geometrically modifying a reference picture; generating a prediction block of a current block within an encoding target picture by performing inter prediction by referencing the reference picture or the geometrically modified reference picture; and encoding inter-prediction information of the current block.
    Type: Grant
    Filed: January 28, 2021
    Date of Patent: November 29, 2022
    Assignees: Electronics and Telecommunications Research Institute, University-Industry Cooperation Group of Kyung Hee University
    Inventors: Jung Won Kang, Hyun Suk Ko, Sung Chang Lim, Jin Ho Lee, Dong San Jun, Hui Yong Kim, Gwang Hoon Park, Jin Soo Choi, Tae Hyun Kim, Dae Young Lee, Young Su Heo
  • Patent number: 11509907
    Abstract: An image encoding/decoding method is disclosed. An method of decoding an image of the present invention may comprise deriving at least one merge candidate of a current block, generating an initial merge candidate list of the current block by using the derived at least one merge candidate and generating a reconfigured merge candidate list by using the initial merge candidate list.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: November 22, 2022
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Dong San Jun, Jung Won Kang, Hyun Suk Ko, Sung Chang Lim, Jin Ho Lee, Ha Hyun Lee, Hui Yong Kim
  • Patent number: 11509930
    Abstract: The present invention relates to a method for encoding/decoding a video. To this end, the method for decoding a video may include: generating a merge candidate list of a current block including at least one merge candidate corresponding to each of a plurality of reference picture lists; determining at least one piece of motion information by using the merge candidate list; and generating a prediction block of the current block by using the determined at least one piece of motion information.
    Type: Grant
    Filed: July 12, 2017
    Date of Patent: November 22, 2022
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sung Chang Lim, Jung Won Kang, Hyun Suk Ko, Ha Hyun Lee, Dong San Jun, Jin Ho Lee, Seung Hyun Cho, Hui Yong Kim, Jin Soo Choi
  • Publication number: 20220368902
    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: July 29, 2022
    Publication date: November 17, 2022
    Applicants: Electronics and Telecommunications Research Institute, INDUSTRY-UNIVERSITY COOPERATION FOUNDATION OF 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
  • Patent number: 11451767
    Abstract: Provided are method and apparatus methods and apparatuses for encoding an intra-prediction mode based on a secondary IPM. The present invention may comprises a first decision step of determining whether an intra-prediction mode of a current block is included in a first candidate mode set including M candidate modes (M is an integer equal to or greater than 1); a second decision step of determining whether the intra-prediction mode of the current block is included in a second candidate mode set including N candidate modes (N is an integer equal to or greater than 1) based on a first determination result representing a determination result of the first decision step; and an intra prediction mode encoding step of encoding the intra-prediction mode of the current block based on the first determination result or a second determination result representing a determination result of the second decision step.
    Type: Grant
    Filed: November 18, 2016
    Date of Patent: September 20, 2022
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Dong San Jun, Jung Won Kang, Sung Chang Lim, Hyun Suk Ko, Jin Ho Lee, Hui Yong Kim, Jin Soo Choi
  • Patent number: 11438589
    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: Grant
    Filed: December 22, 2020
    Date of Patent: September 6, 2022
    Assignees: 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 Chui Choi, Aram Back, Jin Soo Choi, Jae Gon Kim
  • Publication number: 20220279174
    Abstract: An image encoding/decoding method and apparatus for performing representative sample-based intra prediction are provided. An image decoding method may comprise deriving an intra prediction mode of a current block, configuring a reference sample of the current block, and performing intra prediction for the current block based on the intra prediction mode and the reference sample, wherein the intra prediction is representative sample-based prediction.
    Type: Application
    Filed: May 17, 2022
    Publication date: September 1, 2022
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jin Ho LEE, Jung Won KANG, Hyun Suk KO, Sung Chang LIM, Ha Hyun LEE, Dong San JUN, Hui Yong KIM
  • Publication number: 20220279171
    Abstract: The present invention relates to an image encoding/decoding method and apparatus. An image decoding method performing intra prediction according to the present invention may comprise dividing a current block into at least one sub-block; deriving an intra prediction mode for the at least one sub-block; constructing a reference sample for the intra prediction; and performing intra prediction for the at least one sub-block based on the derived intra prediction mode.
    Type: Application
    Filed: May 16, 2022
    Publication date: September 1, 2022
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Jin Ho LEE, Sung Chang LIM, Jung Won KANG, Hyun Suk KO, Dong San JUN, Ha Hyun LEE, Seung Hyun CHO, Hui Yong KIM, Jin Soo CHOI
  • Publication number: 20220272357
    Abstract: An image encoding/decoding method and apparatus for performing template matching-based intra prediction are provided. An image decoding method may comprise deriving a first intra-prediction mode for a current block, generating a first intra-prediction block corresponding to the first intra-prediction mode, deriving a second intra-prediction mode for the current block, generating a second intra-prediction block corresponding to the second intra-prediction mode, and generating a final intra-prediction block by using a weighted sum of the first intra-prediction block and the second intra-prediction block.
    Type: Application
    Filed: April 29, 2022
    Publication date: August 25, 2022
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Dong San JUN, Sung Chang LIM, Jung Won KANG, Hyun Suk KO, Jin Ho LEE, Ha Hyun LEE, Hui Yong KIM
  • Patent number: 11425370
    Abstract: The present invention relates to a method and apparatus for video encoding/decoding by using a geometric modified picture. The encoding method according to the present invention includes: generating a geometric modified picture by geometrically modifying a reference picture; and generating a first prediction block of a current block by performing inter prediction referencing the geometric modified picture.
    Type: Grant
    Filed: April 2, 2021
    Date of Patent: August 23, 2022
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jung Won Kang, Hyun Suk Ko, Sung Chang Lim, Jin Ho Lee, Dong San Jun, Hui Yong Kim, Gwang Hoon Park, Jin Soo Choi, Tae Hyun Kim, Dae Young Lee, Young Su Heo
  • Patent number: 11412209
    Abstract: The present invention relates to a method and apparatus for video encoding/decoding by using a geometric modified picture. The encoding method according to the present invention includes: generating a geometric modified picture by geometrically modifying a reference picture; and generating a first prediction block of a current block by performing inter prediction referencing the geometric modified picture.
    Type: Grant
    Filed: November 18, 2016
    Date of Patent: August 9, 2022
    Assignees: Electronics and Telecommunications Research Institute, UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
    Inventors: Jung Won Kang, Hyun Suk Ko, Sung Chang Lim, Jin Ho Lee, Dong San Jun, Hui Yong Kim, Gwang Hoon Park, Jin Soo Choi, Tae Hyun Kim, Dae Young Lee, Young Su Heo