ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,563,199, issued on Feb. 24, was assigned to TENCENT AMERICA LLC (Palo Alto, Calif.).
"Context modeling constraints for block differential pulse-code modulation" was invented by Meng Xu (San Jose, Calif.), Xiang Li (Saratoga, Calif.), Xiaozhong Xu (State College, Pa.) and Shan Liu (San Jose, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of video encoding performed in a video encoder is provided. In the method, context modeling is performed to determine a context model for each of a number of bins of syntax elements corresponding to residues of a region of a transform skipped block in a coded picture. The transform skipped block is coded ...