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Method for signaling virtual boundary signaling with subpictures in coded video stream

專利號(hào)
US11800096B2
公開(kāi)日期
2023-10-24
申請(qǐng)人
TENCENT AMERICA LLC（US CA Palo Alto）
發(fā)明人
Byeongdoo Choi; Shan Liu; Stephan Wenger
IPC分類
H04N19/117; H04N19/82; H04N19/176; H04N19/132; H04N19/186
技術(shù)領(lǐng)域
picture,coded,in,video,sub,or,nal,pictures,be,syntax
地域： CA CA Palo Alto

摘要

A method, computer program, and computer system is provided for coding video data. Video data including one or more subpictures having one or more virtual boundaries is received. Information corresponding to the virtual boundaries is signaled in a picture parameter set, a picture header, or a slice header associated with the received video data. The video data is decoded based on the signaled information corresponding to the virtual boundaries.

說(shuō)明書(shū)

  • 1. The parameter set to store the ARC information table (516) can, in some cases, be the sequence parameter set, but in other cases advantageously the decoder parameter set. The decoder parameter set can have an activation scope of multiple CVSs, namely the coded video stream, i.e. all coded video bits from session start until session teardown. Such a scope may be more appropriate because possible ARC factors may be a decoder feature, possibly implemented in hardware, and hardware features tend not to change with any CVS (which in at least some entertainment systems is a Group of Pictures, one second or less in length). That said, putting the table into the sequence parameter set is expressly included in the placement options described herein, in particular in conjunction with point 2 below.

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