US 12,262,059 B2
Interaction between subpicture and tile row signaling
Ye-Kui Wang, San Diego, CA (US); Li Zhang, San Diego, CA (US); and Kai Zhang, San Diego, CA (US)
Assigned to Bytedance Inc., Los Angeles, CA (US)
Filed by Bytedance Inc., Los Angeles, CA (US)
Filed on Nov. 21, 2023, as Appl. No. 18/516,507.
Application 18/516,507 is a continuation of application No. 17/894,888, filed on Aug. 24, 2022, granted, now 11,856,234.
Application 17/894,888 is a continuation of application No. PCT/US2021/019235, filed on Feb. 23, 2021.
Claims priority of provisional application 62/980,963, filed on Feb. 24, 2020.
Prior Publication US 2024/0129539 A1, Apr. 18, 2024
Int. Cl. H04N 19/134 (2014.01); H04N 19/119 (2014.01); H04N 19/136 (2014.01); H04N 19/169 (2014.01); H04N 19/172 (2014.01); H04N 19/174 (2014.01); H04N 19/176 (2014.01); H04N 19/184 (2014.01); H04N 19/70 (2014.01); H04N 19/96 (2014.01)
CPC H04N 19/70 (2014.11) [H04N 19/119 (2014.11); H04N 19/134 (2014.11); H04N 19/136 (2014.11); H04N 19/172 (2014.11); H04N 19/174 (2014.11); H04N 19/176 (2014.11); H04N 19/184 (2014.11); H04N 19/1883 (2014.11); H04N 19/96 (2014.11)] 19 Claims
OG exemplary drawing
 
1. A method of video processing, comprising:
making a determination, according to a first rule, about whether a height of a subpicture of a video picture of a video is less than a height of a tile row of the video picture; and
performing, using the determination, a conversion between the video and a bitstream of the video,
wherein the video picture comprises one or more tiles that form one or more tile rows and one or more tile columns,
wherein the bitstream conforms to a first format rule, and
wherein the first format rule specifies that a tile column index is derived for each coding tree block (CTB) column of a tile of the video picture.