METHOD AND APPARATUS FOR COLOUR CONVERSION IN VERSATILE VIDEO CODING (VVC) Russian patent published in 2023 - IPC H04N19/124 H04N19/18 H04N19/44 

Abstract RU 2787810 C1

FIELD: video encoding.

SUBSTANCE: in the method for video decoding, wherein a bit stream of the encoded video including the current image is received, reverse quantisation is executed for the current block of the current image, and reverse colour conversion is executed for the current block after reverse quantisation; herein, reverse colour conversion for the current block is executed in response to determining that different colour components of the reverse colour conversion are encoded using the same coding unit division tree, and reverse colour conversion is applied for intra-coded blocks.

EFFECT: higher accuracy of signal encoding.

21 cl, 21 dwg

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RU 2 787 810 C1

Authors

Zhao Xin

Xu Xiaozhong

Li Xiang

Liu Shan

Dates

2023-01-12Published

2020-03-12Filed