ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,506,879, issued on Dec. 23, was assigned to TENCENT AMERICA LLC (Palo Alto, Calif.).

"Directional nearest neighbor prediction mode" was invented by Xin Zhao (San Jose, Calif.), Xiaozhong Xu (State College, Pa.), Guichun Li (San Jose, Calif.) and Shan Liu (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Aspects of the disclosure include methods and apparatuses for video coding. One of the apparatuses includes processing circuitry that receives a bitstream of a current block in a current picture. The current block is coded with a directional nearest neighbor prediction (DNNP) mode. The processing circuitry selects a prediction value for a ...