ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,425,604, issued on Sept. 23, was assigned to BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY Co. LTD. (Beijing).

"Methods and apparatuses for prediction refinement with optical flow" was invented by Xiaoyu Xiu (San Diego), Yi-Wen Chen (San Diego), Xianglin Wang (San Diego), Shuiming Ye (San Diego), Tsung-Chuan Ma (San Diego) and Hong-Jheng Jhu (San Diego).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods, apparatuses, and non-transitory computer-readable storage mediums are provided for encoding a video signal. A method includes obtaining a first reference picture associated with a video block in a current picture within the video signal and a first ...