ALEXANDRIA, Va., June 16 -- United States Patent no. 12,309,415, issued on May 20, was assigned to Huawei Technologies Co. Ltd. (Shenzhen, China).

"Video picture prediction method and apparatus" was invented by Huanbang Chen (Shenzhen, China), Xiang Ma (Moscow), Haitao Yang (Shenzhen, China) and Jianle Chen (San Diego).

According to the abstract* released by the U.S. Patent & Trademark Office: "This application provides a video picture prediction method and apparatus, to resolve a problem in a conventional technology that a length of a coded video sequence is increased. The first type of identifier may be added to a bitstream. The first type of identifier is used to indicate whether an affine motion model-based inter prediction mode is en...