US 11,722,687 B2
Efficient signaling of picture size and partitioning information
Byeongdoo Choi, Palo Alto, CA (US); Stephan Wenger, Hillsborough, CA (US); and Shan Liu, San Jose, CA (US)
Assigned to TENCENT AMERICA LLC, Palo Alto, CA (US)
Filed by TENCENT AMERICA LLC, Palo Alto, CA (US)
Filed on Sep. 17, 2021, as Appl. No. 17/478,442.
Application 17/478,442 is a continuation of application No. 17/026,967, filed on Sep. 21, 2020, granted, now 11,178,418.
Claims priority of provisional application 62/907,344, filed on Sep. 27, 2019.
Prior Publication US 2022/0007044 A1, Jan. 6, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. H04N 19/46 (2014.01); H04N 19/122 (2014.01); H04N 19/119 (2014.01); H04N 19/136 (2014.01)
CPC H04N 19/46 (2014.11) [H04N 19/119 (2014.11); H04N 19/122 (2014.11); H04N 19/136 (2014.11)] 17 Claims
OG exemplary drawing
 
1. A method of efficient signalizing of picture size in a video bitstream via a hierarchical mechanism, the method being performed by at least one processor, and the method comprising:
receiving a coded picture;
obtaining, from a picture parameter set (PPS) to which the coded picture refers, a first syntax element indicating a picture size comprising a width and a height associated with the coded picture, wherein the first syntax element refers to a second syntax element in a sequence parameter set (SPS);
obtaining, from the sequence parameter set (SPS) to which the coded picture refers, the second syntax element indicating the picture size comprising the width and the height associated with the coded picture, wherein the second syntax element refers to a third syntax element in a video parameter set;
obtaining, from the VPS to which the coded picture refers, the third syntax element indicating the picture size comprising the width and the height associated with the coded picture, wherein the third syntax element is referred to by at least a layer of a coded video sequence;
decoding the coded picture based on values of the first syntax element, the second syntax element, and the third syntax element;
obtaining, from the SPS, a number of picture size information included in the SPS;
determining whether an index is less than or equal to the obtained number of picture size information included in the SPS; and
based on the index being determined to be less than or equal to the number of picture size information included in the SPS, incrementing the index.