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公开(公告)号：US11973933B1
公开(公告)日：2024-04-30
申请号：US17971930
申请日：2022-10-24
发明人： Sun Young Lee
IPC分类号： H04N19/00 , H04N19/103 , H04N19/11 , H04N19/176 , H04N19/463 , H04N19/70
CPC分类号： H04N19/103 , H04N19/11 , H04N19/176 , H04N19/463 , H04N19/70
摘要： The method for decoding an intra-picture prediction mode includes the steps of: determining whether the intra-picture prediction mode of a current prediction unit is identical to a first intra-picture prediction mode candidate or a second intra-picture prediction mode candidate based on bit information: and when the intra-picture prediction mode of the current prediction unit is identical to the first intra-picture prediction mode candidate and/or to the second intra-picture prediction mode candidate, determining whether the first intra-picture prediction mode candidate or the second intra-picture prediction mode candidate is identical to the intra-picture prediction mode of the current prediction unit on the basis of additional bit information, and decoding the intra-picture prediction mode of the current prediction unit.
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公开(公告)号：US10863173B2
公开(公告)日：2020-12-08
申请号：US16796543
申请日：2020-02-20
发明人： Sun Young Lee
IPC分类号： H04N11/02 , H04N19/11 , H04N19/70 , H04N19/463 , H04N19/157 , H04N19/196 , H04N19/147 , H04N19/593 , H04N19/176 , H04N19/91 , H04N19/159 , H04N19/61
摘要： The present invention relates to an intra prediction mode mapping method and a device using the method. The intra prediction mode includes: decoding flag information providing information regarding whether an intra prediction mode of a plurality of candidate intra prediction modes for the current block is the same as the intra prediction mode for the current block, and decoding a syntax component including information regarding the intra prediction mode for the current block in order to induce the intra prediction mode for the current block if the intra prediction mode from among the plurality of candidate intra prediction modes for the current block is not the same as the intra prediction mode for the current block. Thus, it is possible to increase the efficiency with which are images are decoded.
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公开(公告)号：US12010328B2
公开(公告)日：2024-06-11
申请号：US17742360
申请日：2022-05-11
发明人： Sun Young Lee
IPC分类号： H04N19/159 , H04N19/13 , H04N19/176 , H04N19/182 , H04N19/463 , H04N19/593 , H04N19/61 , H04N19/70 , H04N19/80
CPC分类号： H04N19/159 , H04N19/13 , H04N19/176 , H04N19/182 , H04N19/463 , H04N19/593 , H04N19/61 , H04N19/80 , H04N19/70
摘要： A method and an apparatus of encoding/decoding intra prediction mode using a plurality of candidate intra prediction modes are disclosed. The method includes deriving three candidate intra prediction modes about a current block and deriving an intra prediction mode of the current block.
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公开(公告)号：US11750803B2
公开(公告)日：2023-09-05
申请号：US17857772
申请日：2022-07-05
发明人： Sun Young Lee
IPC分类号： H04N11/02 , H04N19/11 , H04N19/70 , H04N19/463 , H04N19/157 , H04N19/196 , H04N19/147 , H04N19/593 , H04N19/176 , H04N19/91 , H04N19/159 , H04N19/61
CPC分类号： H04N19/11 , H04N19/147 , H04N19/157 , H04N19/159 , H04N19/176 , H04N19/196 , H04N19/198 , H04N19/463 , H04N19/593 , H04N19/70 , H04N19/91 , H04N19/61
摘要： The present invention relates to an intra prediction mode mapping method and a device using the method. The intra prediction mode includes: decoding flag information providing information regarding whether an intra prediction mode of a plurality of candidate intra prediction modes for the current block is the same as the intra prediction mode for the current block, and decoding a syntax component including information regarding the intra prediction mode for the current block in order to induce the intra prediction mode for the current block if the intra prediction mode from among the plurality of candidate intra prediction modes for the current block is not the same as the intra prediction mode for the current block. Thus, it is possible to increase the efficiency with which are images are decoded.
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公开(公告)号：US11516461B2
公开(公告)日：2022-11-29
申请号：US17315598
申请日：2021-05-10
发明人： Sun Young Lee
IPC分类号： H04N19/00 , H04N19/103 , H04N19/176 , H04N19/70 , H04N19/11 , H04N19/463
摘要： The method for decoding an intra-picture prediction mode includes the steps of: determining whether the intra-picture prediction mode of a current prediction unit is identical to a first intra-picture prediction mode candidate or a second intra-picture prediction mode candidate based on bit information; and when the intra-picture prediction mode of the current prediction unit is identical to the first intra-picture prediction mode candidate and/or to the second intra-picture prediction mode candidate, determining whether the first intra-picture prediction mode candidate or the second intra-picture prediction mode candidate is identical to the intra-picture prediction mode of the current prediction unit on the basis of additional bit information, and decoding the intra-picture prediction mode of the current prediction unit.
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公开(公告)号：US12047564B2
公开(公告)日：2024-07-23
申请号：US18222821
申请日：2023-07-17
发明人： Sun Young Lee
IPC分类号： H04N11/02 , H04N19/11 , H04N19/147 , H04N19/157 , H04N19/159 , H04N19/176 , H04N19/196 , H04N19/463 , H04N19/593 , H04N19/70 , H04N19/91 , H04N19/61
CPC分类号： H04N19/11 , H04N19/147 , H04N19/157 , H04N19/159 , H04N19/176 , H04N19/196 , H04N19/198 , H04N19/463 , H04N19/593 , H04N19/70 , H04N19/91 , H04N19/61
摘要： The present invention relates to an intra prediction mode mapping method and a device using the method. The intra prediction mode includes: decoding flag information providing information regarding whether an intra prediction mode of a plurality of candidate intra prediction modes for the current block is the same as the intra prediction mode for the current block, and decoding a syntax component including information regarding the intra prediction mode for the current block in order to induce the intra prediction mode for the current block if the intra prediction mode from among the plurality of candidate intra prediction modes for the current block is not the same as the intra prediction mode for the current block. Thus, it is possible to increase the efficiency with which are images are decoded.
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公开(公告)号：US11412216B2
公开(公告)日：2022-08-09
申请号：US17074234
申请日：2020-10-19
发明人： Sun Young Lee
IPC分类号： H04N11/02 , H04N19/11 , H04N19/70 , H04N19/463 , H04N19/157 , H04N19/196 , H04N19/147 , H04N19/593 , H04N19/176 , H04N19/91 , H04N19/159 , H04N19/61
摘要： The present invention relates to an intra prediction mode mapping method and a device using the method. The intra prediction mode includes: decoding flag information providing information regarding whether an intra prediction mode of a plurality of candidate intra prediction modes for the current block is the same as the intra prediction mode for the current block, and decoding a syntax component including information regarding the intra prediction mode for the current block in order to induce the intra prediction mode for the current block if the intra prediction mode from among the plurality of candidate intra prediction modes for the current block is not the same as the intra prediction mode for the current block. Thus, it is possible to increase the efficiency with which are images are decoded.
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公开(公告)号：US11363278B2
公开(公告)日：2022-06-14
申请号：US17203660
申请日：2021-03-16
发明人： Sun Young Lee
IPC分类号： H04N19/159 , H04N19/593 , H04N19/463 , H04N19/13 , H04N19/176 , H04N19/182 , H04N19/61 , H04N19/80 , H04N19/70
摘要： A method and an apparatus of encoding/decoding intra prediction mode using a plurality of candidate intra prediction modes are disclosed. The method includes deriving three candidate intra prediction modes about a current block and deriving an intra prediction mode of the current block.
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