ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,464,133, issued on Nov. 4, was assigned to Tencent America LLC (Palo Alto, Calif.).
"Smooth sub-block motion vector prediction" was invented by Liang Zhao (Sunnyvale, Calif.), Xin Zhao (San Jose, Calif.), Han Gao (San Diego) 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 smooth-sub-block motion compensation, disclosing methods and systems for determining subblock motion vectors of a video block based on motion information of its spatial neighboring block, temporal blocs spatially co-located with the neighboring blocks, or co-located temporal block of the ...