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公开(公告)号：EP3963886A1
公开(公告)日：2022-03-09
申请号：EP20725066.3
申请日：2020-04-28
发明人： FRANCOIS, Edouard , JULLIAN, Remi , HIRON, Franck
IPC分类号： H04N19/186 , H04N19/50 , H04N19/82 , H04N19/80 , H04N19/117 , H04N19/46 , H04N19/70
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2.发明公开
公开(公告)号：EP3912356A1
公开(公告)日：2021-11-24
申请号：EP20703664.1
申请日：2020-01-10
IPC分类号： H04N19/573 , H04N19/577
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公开(公告)号：EP3888360A1
公开(公告)日：2021-10-06
申请号：EP19817547.3
申请日：2019-11-19
发明人： POIRIER, Tangi , NASER, Karam , FRANCOIS, Edouard
IPC分类号： H04N19/109 , H04N19/11 , H04N19/119 , H04N19/159 , H04N19/176 , H04N19/503 , H04N19/593
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公开(公告)号：EP3729813A1
公开(公告)日：2020-10-28
申请号：EP18834096.2
申请日：2018-12-12
IPC分类号： H04N19/91 , H04N19/176 , H04N19/13 , H04N19/96 , H04N19/157
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公开(公告)号：EP3685582A1
公开(公告)日：2020-07-29
申请号：EP18774170.7
申请日：2018-09-14
IPC分类号： H04N19/513 , H04N19/51 , H04N19/527 , H04N19/597 , G06T15/00
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公开(公告)号：EP3627835A1
公开(公告)日：2020-03-25
申请号：EP18306225.6
申请日：2018-09-21
发明人： RACAPE, Fabien , RATH, Gagan , FRANCOIS, Edouard , URBAN, Fabrice
IPC分类号： H04N19/11 , H04N19/105 , H04N19/119 , H04N19/96 , H04N19/593
摘要： Methods and apparatus for performing intra prediction in an encoder or a decoder for non-square blocks enable a combination of reference samples from a row above the non-square block and a row to the left of the non-square block to be used for the prediction. In one embodiment, a weighted combination of reference samples are used. In another embodiment, the angles of prediction are extended in the longer direction of the non-square block, such that less angles of prediction are used in the shorter direction.
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公开(公告)号：EP4207759A1
公开(公告)日：2023-07-05
申请号：EP23158005.1
申请日：2018-03-15
IPC分类号： H04N19/126 , H04N19/136 , H04N19/50 , H04N19/176 , H04N19/196 , H04N19/117 , H04N19/186 , H04N19/182 , H04N19/82
摘要： A method for encoding a block of a picture is disclosed. The method comprises for at least one sample of the block and for one current component:
- obtaining a prediction value;
- determining a mapped residual value from a source value of the sample and from the prediction value responsive to a mapping function; and
- encoding the mapped residual value into a bitstream;
wherein the mapping function is derived to obtain at least one of a reduction of a bit cost of the bitstream for a given quality of reconstruction or an increase of quality of reconstruction for a given bit cost of the bitstream.-
公开(公告)号：EP3891994A1
公开(公告)日：2021-10-13
申请号：EP19839459.5
申请日：2019-12-09
发明人： FRANCOIS, Edouard , ANDRIVON, Pierre , GALPIN, Franck , LELEANNEC, Fabrice , KERDRANVAT, Michel
IPC分类号： H04N19/70
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公开(公告)号：EP3878175A1
公开(公告)日：2021-09-15
申请号：EP19798824.9
申请日：2019-10-21
IPC分类号： H04N19/124 , H04N19/176 , H04N19/174 , H04N19/503 , H04N19/593 , H04N19/467 , H04N19/70
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10.发明公开
公开(公告)号：EP3871419A1
公开(公告)日：2021-09-01
申请号：EP19805440.5
申请日：2019-10-24
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