CONSTRAINTS ON ADAPTATION PARAMETER SET SYNTAX ELEMENTS

WIPO Patent Application WO/2021/197445

A1

Systems, methods and apparatus for video processing are described. The video processing may include video encoding, video decoding or video transcoding. One example method of video processing includes performing a conversion between a video and a bitstream of the video according to a format rule, wherein the format rule specifies that a first field at a sequence level or a picture level or a slice level controls a value of a second field in an adaptation parameter set.

DENG ZHIPIN (CN)
ZHANG LI (US)
WANG YE-KUI (US)
ZHANG KAI (US)
XU JIZHENG (US)

PCT/CN2021/085009

October 07, 2021

April 01, 2021

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BEIJING BYTEDANCE NETWORK TECH CO LTD (CN)
BYTEDANCE INC (US)

H04N19/00

CN104303501A	2015-01-21
US20150043637A1	2015-02-12
US7373009B2	2008-05-13

H. ZHANG (TENCENT), X. LI (TENCENT), G. LI, L. LI, S. LIU (TENCENT): "AHG15: Improvement for Quantization Matrix Signaling", 17. JVET MEETING; 20200107 - 20200117; BRUSSELS; (THE JOINT VIDEO EXPLORATION TEAM OF ISO/IEC JTC1/SC29/WG11 AND ITU-T SG.16 ), 1 January 2020 (2020-01-01), Brussels BE, pages 1 - 8, XP030223738
J. BOYCE (INTEL): "Report of BoG on high level tool control， feature combinations， and parameter sets", 17. JVET MEETING; 20200107 - 20200117; BRUSSELS; (THE JOINT VIDEO EXPLORATION TEAM OF ISO/IEC JTC1/SC29/WG11 AND ITU-T SG.16 ), 11 January 2020 (2020-01-11), Brussels BE, pages 1 - 18, XP030223970

LIU, SHEN & ASSOCIATES (CN)

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