发明申请
- 专利标题: Directional Transforms for Video and Image Coding
- 专利标题(中): 视频和图像编码的定向变换
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申请号: US12603100申请日: 2009-10-21
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公开(公告)号: US20110090952A1公开(公告)日: 2011-04-21
- 发明人: Robert A. Cohen , Anthony Vetro , Huifang Sun
- 申请人: Robert A. Cohen , Anthony Vetro , Huifang Sun
- 主分类号: H04N7/50
- IPC分类号: H04N7/50
摘要:
A bitstream includes a sequence of frames. Each frame is partitioned into encoded blocks. For each block, a set of paths is determined at a transform angle determined from a transform index in the bitstream. Transform coefficients are obtained from bitstream. The transform coefficients include one DC coefficient for each path. An inverse transform is applied to the transform coefficients to produce a decoded video.