发明名称 |
Codificación y descodificación de video |
摘要 |
A temporal motion vector predictor is includable, together with one or more spatial motion vector predictors, in a set of motion vector predictors for a block to encode of a current frame. A method of determining the temporal motion vector predictor comprises selecting as the temporal predictor one motion vector from among motion vectors in a reference block of a reference frame different from the current frame. The reference block is a block of the reference frame collocated with the block to encode or a block of the reference frame neighboring the collocated block. The selection is based on a diversity criterion for achieving diversity among the predictors of the set. This can reduce the motion vector memory requirements with no or no significant additional coding efficiency penalty. Alternatively, even if the motion vector memory is not reduced in size, coding efficiency improvements can be achieved. |
申请公布号 |
ES2599848(T3) |
申请公布日期 |
2017.02.03 |
申请号 |
ES20120709016T |
申请日期 |
2012.03.08 |
申请人 |
Canon Kabushiki Kaisha |
发明人 |
LAROCHE, Guillaume;ONNO, Patrice |
分类号 |
H04N19/105;H04N19/139;H04N19/176;H04N19/43;H04N19/513;H04N19/52;H04N19/61 |
主分类号 |
H04N19/105 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|