ALEXANDRIA, Va., March 3 -- United States Patent no. 12,568,242, issued on March 3, was assigned to TENCENT AMERICA LLC (Palo Alto, Calif.).

"Implicit masked blending mode combined with MV refinement methods" was invented by Han Gao (Palo Alto, Calif.), Xin Zhao (Palo Alto, Calif.), Liang Zhao (Palo Alto, Calif.), Jing Ye (Palo Alto, Calif.) and Shan Liu (Palo Alto, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A computing system receives a video bitstream that comprises a current block within a current picture and one or more syntax elements. The current block is encoded in a subblock-based motion vector (MV) refinement mode using information from a first reference block and a second reference block...