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公开(公告)号：US12047594B2
公开(公告)日：2024-07-23
申请号：US18472915
申请日：2023-09-22
发明人： Yong Jo Ahn , Ho Chan Ryu
IPC分类号： H04N19/60 , H04N19/136 , H04N19/184 , H04N19/44
CPC分类号： H04N19/44 , H04N19/136 , H04N19/184 , H04N19/45 , H04N19/60
摘要： The present invention relates to a method and a device for decoding an image, which improve encoding and decoding efficiency by performing various forms of transform and inverse transform during transform and inverse transform processes of a video coding technique.
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2.发明公开公开(公告)号：US20230262258A1
公开(公告)日：2023-08-17
申请号：US18304084
申请日：2023-04-20
发明人： Yong Jo Ahn , Ho Chan Ryu
IPC分类号： H04N19/577 , H04N19/593
CPC分类号： H04N19/577 , H04N19/593 , H04N19/124
摘要： The present invention relates to block merging according to block split among video coding techniques, and a method and an apparatus for coding and decoding a video, in which in generating and modifying a block merging list, spatial merging candidate blocks of the block merging list are changed according to a split type and order of a current coding unit.
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公开(公告)号：US11159825B2
公开(公告)日：2021-10-26
申请号：US16378499
申请日：2019-04-08
发明人： Ho Chan Ryu , Yong Jo Ahn
IPC分类号： H04N19/70 , H04N19/176 , H04N19/119 , H04N19/169 , H04N19/96 , H04N19/88 , H04N19/46 , H04N19/44 , H04N19/134
摘要： A decoding method comprises the steps of: combining two or more encoding units of maximum size into a single encoding unit group; acquiring encoding data corresponding to the combined single encoding unit group; and decoding, according to a decoding order, the two or more encoding units of maximum size contained in the single encoding unit group. Also disclosed is a block partitioning structure used for encoding and decoding video.
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公开(公告)号：US10778987B2
公开(公告)日：2020-09-15
申请号：US16087787
申请日：2017-03-22
发明人： Yong Jo Ahn , Dong Gyu Sim , Ho Chan Ryu , Seanae Park , Byung Tae Oh , Byung Cheol Song
IPC分类号： H04N19/159 , H04N19/105 , H04N19/593 , H04N19/129 , H04N19/82 , H04N19/91 , H04N19/523 , H04N19/157 , H04N19/18 , H04N19/513 , H04N19/13 , H04N19/176
摘要： A video encoding/decoding apparatus according to the present invention acquires motion vector refinement information, performs motion compensation on the basis of a motion vector of a current block, refines the motion vector of the current block using at least one or both of the motion vector refinement information and the output of the motion compensation, and performs motion compensation using the refined motion vector.
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公开(公告)号：US12003781B2
公开(公告)日：2024-06-04
申请号：US18470976
申请日：2023-09-20
发明人： Ho Chan Ryu , Yong Jo Ahn
IPC分类号： H04N19/70 , H04N19/119 , H04N19/134 , H04N19/169 , H04N19/176 , H04N19/44 , H04N19/46 , H04N19/88 , H04N19/96
CPC分类号： H04N19/70 , H04N19/119 , H04N19/134 , H04N19/169 , H04N19/176 , H04N19/44 , H04N19/46 , H04N19/88 , H04N19/96
摘要： The present invention relates to a block partitioning structure from among the video coding schemes, and a method and apparatus for encoding and decoding the block partitioning structure. The video encoding and decoding method comprises the steps of: combining two or more encoding units of maximum size into a single encoding unit group; acquiring encoding data corresponding to the combined single encoding unit group; and decoding, according to a decoding order, the two or more encoding units of maximum size contained in the single encoding unit group.
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公开(公告)号：US11991378B2
公开(公告)日：2024-05-21
申请号：US17491955
申请日：2021-10-01
发明人： Yong Jo Ahn , Ho Chan Ryu
IPC分类号： H04N19/60 , H04N19/136 , H04N19/184 , H04N19/44
CPC分类号： H04N19/44 , H04N19/136 , H04N19/184 , H04N19/45 , H04N19/60
摘要： The present invention relates to a method and a device for decoding an image, which improve encoding and decoding efficiency by performing various forms of transform and inverse transform during transform and inverse transform processes of a video coding technique.
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7.发明授权公开(公告)号：US11589045B2
公开(公告)日：2023-02-21
申请号：US17137640
申请日：2020-12-30
发明人： Ho Chan Ryu , Yong Jo Ahn
IPC分类号： H04N19/119 , H04N19/44 , H04N19/186 , H04N19/513 , H04N19/593 , H04N19/176 , H04N19/70 , H04N19/157
摘要： The present invention relates to a block partitioning structure from among the video coding schemes and to a method and apparatus for encoding and decoding the block partitioning structure, the method comprising the steps of: acquiring block partitioning data; partitioning a block by means of the acquired block partitioning data; and encoding and decoding by means of the partitioned block. The encoding and decoding method and apparatus according to the present invention has the benefit of improving encoding efficiency with respect to the existing video compression schemes.
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公开(公告)号：US20220303552A1
公开(公告)日：2022-09-22
申请号：US17836236
申请日：2022-06-09
发明人： Yong Jo AHN , Dong Gyu Sim , Ho Chan Ryu , Seanae Park , Byung Tae Oh , Byung Cheol Song
IPC分类号： H04N19/159 , H04N19/105 , H04N19/82 , H04N19/593 , H04N19/91 , H04N19/523 , H04N19/157 , H04N19/18 , H04N19/513 , H04N19/129 , H04N19/13 , H04N19/176
摘要： A video encoding/decoding apparatus according to the present invention acquires motion vector refinement information, performs motion compensation on the basis of a motion vector of a current block, refines the motion vector of the current block using at least one or both of the motion vector refinement information and the output of the motion compensation, and performs motion compensation using the refined motion vector.
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公开(公告)号：US11166039B2
公开(公告)日：2021-11-02
申请号：US16962730
申请日：2019-01-15
发明人： Yong Jo Ahn , Ho Chan Ryu
IPC分类号： H04N19/44 , H04N19/136 , H04N19/184 , H04N19/60
摘要： The present invention relates to a method and a device for decoding an image, which improve encoding and decoding efficiency by performing various forms of transform and inverse transform during transform and inverse transform processes of a video coding technique.
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公开(公告)号：US11153574B2
公开(公告)日：2021-10-19
申请号：US16968942
申请日：2019-02-21
发明人： Yong Jo Ahn , Ho Chan Ryu
IPC分类号： H04N19/00 , H04N19/159 , H04N19/105 , H04N19/139 , H04N19/176
摘要： The present invention provides an image encoding method and an image decoding method. The image decoding method of the present invention may comprise: obtaining intra-frame prediction information of a current block from a bitstream; inducing an intra-frame prediction mode of the current block on the basis of the intra-frame prediction information; determining a reference region for intra-frame prediction of the current block; and performing intra-frame prediction of the current block on the basis of the intra-frame prediction mode and the reference region.
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