ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,452,443, issued on Oct. 21, was assigned to Tencent America LLC (Palo Alto, Calif.).

"Transform for L-shaped partition" was invented by Liang Zhao (Sunnyvale, Calif.), Xin Zhao (San Jose, Calif.), Madhu Peringassery Krishnan (Mountain View, 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, transform coefficients associated with a coding block that is an L-shaped partition of a picture are decoded, by a processor and from a coded video bitstream. The L-shaped partition of the picture is partitioned into a plurality of rectangular sub-blocks when the coding block is the L-sha...