ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,425,621, issued on Sept. 23, was assigned to TENCENT AMERICA LLC (Palo Alto, Calif.).

"Determining applicability of intra block copy in semi-decoupled partitioning" 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: "Aspects of the disclosure include methods, apparatuses, and non-transitory computer-readable storage mediums for video encoding/decoding. An apparatus includes processing circuitry that decodes prediction information of a coding unit in a video bitstream. The processing circuitry determines whether a luma block and a chroma block associate...