ALEXANDRIA, Va., July 21 -- United States Patent no. 12,689,746, issued on July 21, was assigned to TENCENT AMERICA LLC (Palo Alto, Calif.).

"Systems and methods for extended multi-residue block coding" was invented by Tianqi Liu (Palo Alto, Calif.), Liang Zhao (Palo Alto, Calif.), Xin Zhao (Palo Alto, Calif.), Jing Ye (Palo Alto, Calif.), Han Gao (Palo Alto, Calif.) and Shan Liu (Palo Alto, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The various implementations described herein include methods and systems for coding video. In one aspect, a method includes receiving a video bitstream comprising a plurality of coding blocks including a current block. The method includes deriving a first residual blo...