ALEXANDRIA, Va., March 19 -- United States Patent no. 12,256,067, issued on March 18, was assigned to TENCENT AMERICA LLC (Palo Alto, Calif.).

"Methods and apparatus for multiple line intra prediction in video compression" was invented by Liang Zhao (Palo Alto, Calif.), Xin Zhao (Palo Alto, Calif.), Xiang Li (Palo Alto, Calif.) and Shan Liu (Palo Alto, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is includes a method and apparatus comprising computer code configured to cause a hardware processor or processors to perform intra prediction among a plurality of reference lines, to set a plurality of intra prediction modes for a zero reference line nearest to a current block of the intra prediction...