Handling of coded video in sub-bitstream extraction process

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United States of America Patent

PATENT NO 11778204
APP PUB NO 20230099966A1
SERIAL NO

17992236

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Embodiments for video processing, including video coding, video decoding and video transcoding are described. One example method includes performing a conversion between a video having one or more video pictures in a video layer and a bitstream of the video according to a rule, wherein the rule specifies that, in a process of sub-bitstream extraction, removal of (i) a video coding layer (VCL) network abstraction layer (NAL) unit, (ii) filler data NAL units associated with the VCL NAL unit, and (iii) filler payload supplemental enhancement information (SEI) messages associated with the VCL NAL unit is performed regardless of an availability of an external means used to replace a parameter set that is removed during the sub-bitstream extraction.

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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
Deng, Zhipin Beijing, CN 247 1138
Wang, Ye-kui San Diego, US 824 13022
Zhang, Kai San Diego, US 1552 16483
Zhang, Li San Diego, US 2427 31906

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