ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,771,850, issued on Oct. 20, was assigned to GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP. LTD. (Dongguan, China).

"Encoding and decoding method and storage medium" was invented by Zhihuang Xie (Dongguan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A decoding method is provided. A bitstream is decoded to determine a prediction mode parameter. The bitstream is decoded to determine a matrix-based intra prediction (MIP) parameter of a current block, in response to the prediction mode parameter indicating that MIP is used to determine an intra prediction value. The bitstream is decoded to determine transform coefficients of the current block and a ...