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Sub-block MV inheritance between color components

專利號(hào)
US11659192B2
公開日期
2023-05-23
申請(qǐng)人
Beijing Bytedance Network Technology Co., Ltd.; Bytedance Inc.(CN Beijing US CA Los Angeles)
發(fā)明人
Kai Zhang; Li Zhang; Hongbin Liu; Yue Wang
IPC分類
H04N19/52; H04N19/176; H04N19/186; H04N19/55; H04N19/119; H04N19/136
技術(shù)領(lǐng)域
mv,motion,signshift,sub,mv0x,mv1x,mv0y,vectors,cu,mv1y
地域: Beijing

摘要

Devices, systems and methods for sub-block based prediction are described. In a representative aspect, a method for video processing includes partitioning a first component of a current video block into a first set of sub-blocks and partitioning a second component of the current video block into a second set of sub-blocks. A sub-block of the second component corresponds to one or more sub-blocks of the first component. The method also includes deriving, based on a color format of the current video block, motion vectors for a sub-block of the second component based on motion vectors for one or more corresponding sub-blocks of the first color component.

說明書

FIG. 15 is a block diagram illustrating an example encoding apparatus 1500 that can be utilized to implement various portions of the presently disclosed technology, including (but not limited to) method 1300 and method 1400. The encoding apparatus 1500 includes a quantizer 1505 for compressing input data bits. The encoding apparatus 1500 also includes a dequantizer 1515 so that data bits can be fed into memory 1525 and predictor 1520 to perform motion estimation. The encoding apparatus 1500 further includes a binary encoder 1530 to generated encoded binary codes.

FIG. 16 is a block diagram illustrating an example encoding apparatus 1600 that can be utilized to implement various portions of the presently disclosed technology, including (but not limited to) method 1300 and method 1400. The decoding apparatus 1600 includes a bindery decoder 1605 to decode the binary codes. The decoding apparatus 1600 also includes a dequantizer 1615 so that decoded data bits can be fed into memory 1625 and predictor 1620 to perform motion estimation on the decoding side.

權(quán)利要求

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