Quantization properties of adaptive in-loop color-space transform for video coding

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United States of America Patent

PATENT NO 11671591
APP PUB NO 20220264087A1
SERIAL NO

17737260

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Abstract

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A method of video processing includes determining, for a conversion between a video component of a video comprising a current video block and a bitstream representation of the video, that an adaptive color space transformation (ACT) tool is used based on a rule for the current video block; and performing the conversion according to the determining, and wherein the rule specifies to use a same constant quantization parameter (QP) offset for each of one or more color component of the current video block.

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Patent Owner(s)

  • BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD.; BYTEDANCE INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Liu, Hongbin Beijing, CN 765 10283
Wang, Yue Beijing, CN 927 9381
Xu, Jizheng San Diego, US 509 5640
Zhang, Kai San Diego, US 1570 17064
Zhang, Li San Diego, US 2462 32751
Zhu, Weijia San Diego, US 126 546

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