- 专利标题: Unified position dependent prediction combination process
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申请号: US17243009申请日: 2021-04-28
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公开(公告)号: US11575923B2公开(公告)日: 2023-02-07
- 发明人: Liang Zhao , Xin Zhao , Xiang Li , Shan Liu
- 申请人: TENCENT AMERICA LLC
- 申请人地址: US CA Palo Alto
- 专利权人: TENCENT AMERICA LLC
- 当前专利权人: TENCENT AMERICA LLC
- 当前专利权人地址: US CA Palo Alto
- 代理机构: ArentFox Schiff LLP
- 主分类号: H04N19/44
- IPC分类号: H04N19/44 ; H04N19/105 ; H04N19/159 ; H04N19/176 ; H04N19/107 ; H04N19/11 ; H04N19/103 ; H04N19/132 ; H04N19/593
摘要:
Aspects of the disclosure provide methods and apparatuses for video encoding/decoding. An apparatus for video decoding includes processing circuitry that decodes prediction information for a current block in a current picture that is a part of a coded video sequence. The prediction information indicates an intra prediction direction for the current block that is one of (i) a diagonal intra prediction direction or (ii) a neighboring intra prediction direction adjacent to the diagonal intra prediction direction. The processing circuitry determines a usage of a position dependent prediction combination (PDPC) process according to the intra prediction direction of the current block. The same PDPC process is applied to both the diagonal intra prediction direction and the neighboring intra prediction direction. The processing circuitry reconstructs the current block based on the usage of the PDPC process on the current block.
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