Sub-bitstream extraction

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United States of America Patent

PATENT NO 11949900
APP PUB NO 20230232029A1
SERIAL NO

18190571

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Abstract

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Systems, methods and apparatus for encoding, decoding or transcoding digital video are described. One example method of video processing includes performing a conversion between a video and a bitstream of the video, wherein the bitstream conforms to an order of a sub-bitstream extraction process that is defined by a rule that specifies (a) the sub-bitstream extraction process excludes an operation that removes all supplemental enhancement information (SEI) network abstraction layer (NAL) units, which satisfy a condition, from an output bitstream or (b) the order of the sub-bitstream extraction process includes replacing parameter sets with replacement parameter sets prior to removing, from an output bitstream, the SEI NAL units.

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Patent Owner(s)

Patent OwnerAddress
BEIJING BYTEDANCE NETWORK TECHNOLOGY CO LTDROOM B-0035 2/F NO 3 BUILDING NO 30 SHIXING ROAD SHIJINGSHAN DISTRICT BEIJING 100041

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Deng, Zhipin Beijing, CN 322 1649
Wang, Ye-Kui San Diego, US 921 16092

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