US 12,108,049 B2
Chroma coding enhancement in cross-component correlation
Che-Wei Kuo, Beijing (CN); Xiaoyu Xiu, Beijing (CN); Wei Chen, Beijing (CN); Xianglin Wang, Beijing (CN); Yi-Wen Chen, Beijing (CN); Tsung-Chuan Ma, Beijing (CN); Hong-Jheng Jhu, Beijing (CN); and Bing Yu, Beijing (CN)
Assigned to BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD., Beijing (CN)
Filed by BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD., Beijing (CN)
Filed on Nov. 18, 2021, as Appl. No. 17/530,292.
Application 17/530,292 is a continuation of application No. PCT/US2021/035727, filed on Jun. 3, 2021.
Claims priority of provisional application 63/033,836, filed on Jun. 3, 2020.
Prior Publication US 2022/0078445 A1, Mar. 10, 2022
Int. Cl. H04N 19/14 (2014.01); H04N 19/132 (2014.01); H04N 19/186 (2014.01); H04N 19/86 (2014.01)
CPC H04N 19/14 (2014.11) [H04N 19/132 (2014.11); H04N 19/186 (2014.11); H04N 19/86 (2014.11)] 20 Claims
OG exemplary drawing
 
1. A method of decoding video signal, comprising:
receiving the video signal that includes a plurality of color components;
receiving a plurality of offsets associated with a first component of the plurality of color components;
utilizing a characteristic measurement of a second component of the plurality of color components to obtain a classification category associated with the first component;
selecting a first offset from the plurality of offsets for the first component according to the classification category; and
obtaining a modified sample value of the first component based on the selected first offset.