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公开(公告)号：US20190200040A1
公开(公告)日：2019-06-27
申请号：US16301318
申请日：2017-07-12
Inventor： 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
IPC: H04N19/583
CPC classification number: H04N19/583 , H04N19/146 , H04N19/176 , H04N19/44 , H04N19/51 , H04N19/513 , H04N19/91
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.
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公开(公告)号：US20180316913A1
公开(公告)日：2018-11-01
申请号：US15772284
申请日：2016-11-18
Inventor： Dong San JUN , Jung Won KANG , Sung Chang LIM , Hyun Suk KO , Jin Ho LEE , Hui Yong KIM , Jin Soo CHOI
IPC: H04N19/103 , H04N19/146 , H04N19/159 , H04N19/91 , H04N19/167 , H04N19/44
CPC classification number: H04N19/103 , H04N19/146 , H04N19/167 , H04N19/44
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.
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63.发明公开公开(公告)号：US20240357109A1
公开(公告)日：2024-10-24
申请号：US18762081
申请日：2024-07-02
Applicant: Electronics and Telecommunications Research Institute , INDUSTRY-UNIVERSITY COOPERATION FOUNDATION KOREA AEROSPACE UNIVERSITY , HANBAT NATIONAL UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
Inventor： 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
IPC: H04N19/119 , H04N19/105 , H04N19/176 , H04N19/186 , H04N19/46
CPC classification number: H04N19/119 , H04N19/105 , H04N19/176 , H04N19/186 , H04N19/46
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.
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64.发明公开公开(公告)号：US20240155117A1
公开(公告)日：2024-05-09
申请号：US18411146
申请日：2024-01-12
Inventor： Jin Ho LEE , Jung Won KANG , Hyun Suk KO , Sung Chang LIM , Ha Hyun LEE , Dong San JUN , Hui Yong KIM
IPC: H04N19/11 , H04N19/124 , H04N19/132 , H04N19/176
CPC classification number: H04N19/11 , H04N19/124 , H04N19/132 , H04N19/176
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.
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公开(公告)号：US20240015293A1
公开(公告)日：2024-01-11
申请号：US18472473
申请日：2023-09-22
Inventor： Sung Chang LIM , Hyun Suk KO , Jung Won KANG , Jin Ho LEE , Ha Hyun LEE , Dong San JUN , Hui Yong KIM
IPC: H04N19/12 , H04N19/167 , H04N19/176 , H04N19/18
CPC classification number: H04N19/12 , H04N19/167 , H04N19/176 , H04N19/18
Abstract: The present invention relates to an image encoding and decoding method. An image decoding method for the same may include: obtaining transform coefficients of a current block from a bitstream; determining a scanning unit and a scanning order of the current block; and rearranging the transform coefficients of the current block by scanning the same base on the determined scanning unit and scanning order.
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Patent Agency Ranking
66.发明公开公开(公告)号：US20230344993A1
公开(公告)日：2023-10-26
申请号：US18344160
申请日：2023-06-29
Inventor： 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
IPC: H04N19/11 , H04N19/105 , H04N19/176 , H04N19/96 , H04N19/119
CPC classification number: H04N19/11 , H04N19/105 , H04N19/119 , H04N19/176 , H04N19/96
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.
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公开(公告)号：US20230276046A1
公开(公告)日：2023-08-31
申请号：US18311990
申请日：2023-05-04
Inventor： Dong San JUN , Jung Won KANG , Sung Chang LIM , Hyun Suk KO , Jin Ho LEE , Hui Yong KIM , Jin Soo CHOI
IPC: H04N19/105 , H04N19/119 , H04N19/176 , H04N19/147 , H04N19/573
CPC classification number: H04N19/105 , H04N19/119 , H04N19/176 , H04N19/147 , H04N19/573
Abstract: The present invention provides a method and apparatus for encoding/decoding an image to enhance inter prediction. According to the present invention, the method includes: determining a first reference picture and a second reference picture of a current block; determining both a first reference block in the first reference picture and a second reference block in the second reference picture; partitioning the current block into a plurality of sub blocks; and obtaining a prediction block of each of the sub blocks on the basis of reference candidate block index information of each of the sub blocks.
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68.发明公开公开(公告)号：US20230231995A1
公开(公告)日：2023-07-20
申请号：US18185899
申请日：2023-03-17
Inventor： 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
IPC: H04N19/11 , H04N19/119 , H04N19/176
CPC classification number: H04N19/11 , H04N19/119 , H04N19/176
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.
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69.发明申请公开(公告)号：US20230049685A1
公开(公告)日：2023-02-16
申请号：US17961114
申请日：2022-10-06
Inventor： Dong San JUN , Jung Won KANG , Hyun Suk KO , Sung Chang LIM , Jin Ho LEE , Ha Hyun LEE , Hui Yong KIM
IPC: H04N19/147 , H04N19/176
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.
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公开(公告)号：US20220385887A1
公开(公告)日：2022-12-01
申请号：US17886154
申请日：2022-08-11
Inventor： Dong San JUN , Jung Won KANG , Sung Chang LIM , Hyun Suk KO , Jin Ho LEE , Hui Yong KIM , Jin Soo CHOI
IPC: H04N19/103 , H04N19/11 , H04N19/463 , H04N19/176 , H04N19/146 , H04N19/44 , H04N19/167 , H04N19/159 , H04N19/91
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.
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