ALEXANDRIA, Va., May 12 -- United States Patent no. 12,627,809, issued on May 12, was assigned to Tencent America LLC (Palo Alto, Calif.).
"History-based motion vector prediction" was invented by Xiaozhong Xu (State College, Pa.), Xiang Li (Saratoga, Calif.) and Shan Liu (San Jose, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "In a method of video decoding performed by a decoder, a current picture is obtained from a coded video bitstream. The current picture is divided into a plurality of units and divided into a plurality of tiles. Each tile includes at least one unit of the plurality of units. A first current unit in a first tile of the plurality of tiles is decoded. A first HMVP buffer is updated ...