ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,425,572, issued on Sept. 23, was assigned to TENCENT AMERICA LLC (Palo Alto, Calif.).
"Local illumination compensation" was invented by Lien-Fei Chen (Hsinchu, Taiwan), Xin Zhao (Santa Clara, Calif.), Guichun Li (San Jose, Calif.) and Shan Liu (San Jose, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Processing circuitry for video decoding receives coded information of a current block in a current picture from a coded video bitstream, the coded information is indicative of applying local illumination compensation (LIC) on the current block in the current picture. The processing circuitry derives, parameters of an LIC model, according to a first ...