ALEXANDRIA, Va., May 26 -- United States Patent no. 12,641,244, issued on May 26, was assigned to Tencent America LLC (Palo Alto, Calif.).
"Context derivation for motion vector difference coding" was invented by Liang Zhao (Sunnyvale, Calif.), Xin Zhao (San Jose, Calif.) and Shan Liu (San Jose, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "This disclosure relates encoding and decoding of motion vector difference in for inter-predicting a video block. An example is disclosed for decoding an inter-predicted video block of a video stream. The method includes deriving an inter-prediction mode for the video block from the video stream; deriving a motion vector prediction mode for the video block; deriving...