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Sub-block MV inheritance between color components

專(zhuān)利號(hào)
US11659192B2
公開(kāi)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(lèi)
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(shuō)明書(shū)

FIG. 10 shows an example of deriving a motion vector (MV) of a component for sub-blocks in the 4:2:0 format in accordance with the present technology.

FIG. 11 shows another example of deriving an MV of a component for sub-blocks in the 4:2:0 format in accordance with the present technology.

FIG. 12 shows yet another example of deriving an MV of a component for sub-blocks in accordance with the present technology.

FIG. 13 is a flowchart of an example method for video encoding in accordance with one or more embodiments of the present technology.

FIG. 14 is a flowchart of another example method for video encoding in accordance with one or more embodiments of the present technology.

FIG. 15 is a block diagram illustrating an example encoding apparatus that can be utilized to implement various portions of the presently disclosed technology.

FIG. 16 is a block diagram illustrating an example encoding apparatus that can be utilized to implement various portions of the presently disclosed technology.

FIG. 17 is a block diagram illustrating an example of the architecture for a computer system or other control device that can be utilized to implement various portions of the presently disclosed technology.

權(quán)利要求

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