ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,418,678, issued on Sept. 16, was assigned to TENCENT AMERICA LLC (Palo Alto, Calif.).
"Intra block copy search range" was invented by Xiaozhong Xu (State College, Pa.), Xiang Li (Saratoga, Calif.) and Shan Liu (San Jose, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "In a method for video decoding in a decoder, reconstructed samples of a reconstructed block of a picture are stored. When a current sub-block in a current block of the picture is to be reconstructed using intra block copy (IBC) based on a reference sub-block in the reconstructed block, the reference sub-block for the current sub-block is identified, whether the reconstructed samples...