ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,401,821, issued on Aug. 26, was assigned to GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP. LTD. (Guangdong, China).

"Intra prediction method and device and computer-readable storage medium" was invented by Junyan Huo (Dongguan, China), Yanzhuo Ma (Dongguan, China), Shuai Wan (Dongguan, China), Fuzheng Yang (Dongguan, China) and Jinkun Guo (Dongguan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for intra prediction and a decoder are provided. The method includes the following operations. At least one neighbouring block of a current block is determined. A first intra prediction mode index of the at least one neighbouring block is determin...