ALEXANDRIA, Va., July 9 -- United States Patent no. 12,355,975, issued on July 8, was assigned to TENCENT AMERICA LLC (Palo Alto, Calif.).
"Joint coding of motion vector difference" was invented by Liang Zhao (Sunnyvale, Calif.), Xin Zhao (San Jose, Calif.) and Shan Liu (San Jose, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "This disclosure relates generally to video coding and particularly to methods and systems for providing signaling schemes for jointly coding of motion vector difference. An example method for decoding a current video block of a video bitstream is disclosed. The method includes receiving a coded video bitstream; determining, from the coded video bitstream, a flag for a current vi...