Syntax for signaling video subpictures
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United States of America Patent
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Sep 19, 2023
Grant Date -
Nov 24, 2022
app pub date -
Jun 27, 2022
filing date -
Dec 27, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
Methods, devices and systems for signaling the use of subpictures in coded video pictures are described. One example method of video processing includes performing a conversion between a video and a bitstream of a video, wherein the bitstream conforms to a format rule, wherein the format rule specifies that a first syntax element signaled in a sequence parameter set (SPS) of the bitstream is indicative of a length of identifiers of subpictures in the SPS, and wherein the signaling of the first syntax element is independent of a value of a second syntax element that is indicative of explicit signaling of the identifiers of the subpictures in the SPS or a picture parameter set (PPS).
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