公开(公告)号：EP4270948A1

公开(公告)日：2023-11-01

申请号：EP22170156.8

申请日：2022-04-26

申请人： intoPIX s.a.

发明人： AMBROISE, Renaud ,  ROUVROY, Gaël ,  PELLEGRIN, Pascal ,  BARREA, Allan

IPC分类号： H04N19/107 ,  H04N19/159 ,  H04N19/124 ,  H04N19/17 ,  H04N19/70

摘要： A sequence of frames is encoded in the following manner. An evaluation for respective zones in a frame is made whether a zone should be encoded in an intra-mode or in an intermode. A refresh scheme is applied that causes a set of zones in the frame to be forcibly encoded in the intra-mode, irrespective of the evaluation made. A specification of the refresh scheme is provided, which identifies the set of zones in the frame that are forcibly encoded in the intra-mode.

公开(公告)号：EP4388747A1

公开(公告)日：2024-06-26

申请号：EP22757253.4

申请日：2022-07-22

申请人： intoPIX

发明人： BARREA, Allan ,  ROUSSEAU, Naomi ,  PELLEGRIN, Pascal ,  ROUVROY, Gaël ,  BIERNAUX, Christophe ,  BUYSSCHAERT, Charles

IPC分类号： H04N19/70 ,  H04N19/593 ,  H04N19/63

CPC分类号： H04N19/70 ,  H04N19/593 ,  H04N19/63

公开(公告)号：EP4270947A1

公开(公告)日：2023-11-01

申请号：EP22170155.0

申请日：2022-04-26

申请人： intoPIX s.a.

发明人： AMBROISE, Renaud ,  ROUVROY, Gaël ,  PELLEGRIN, Pascal ,  BARREA, Allan

IPC分类号： H04N19/107 ,  H04N19/124 ,  H04N19/159 ,  H04N19/17 ,  H04N19/70

摘要： A sequence of frames is encoded in the following manner. An evaluation on a frame-by-frame basis is made for at least a zone in a series of successive frames whether the zone should be encoded in an intra-mode or in an inter-mode. A refresh scheme is applied that frequently causes the zone to be forcibly encoded in the intra-mode for one out of several successive frames, irrespective of the evaluation made. The zone in the series of successive frames is quantized so that if, for a frame, the zone is forcibly encoded in the intra-mode, although the evaluation was made that the zone in the frame should be encoded in the inter-mode, the zone is quantized with a higher resolution than if the zone were encoded in accordance with the evaluation that was made.