ALEXANDRIA, Va., June 5 -- United States Patent no. 12,278,997, issued on April 15, was assigned to GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP. LTD. (Dongguan, China).

"Feature data encoding method, apparatus and device, feature data decoding method, apparatus and device, and storage medium" was invented by Lu Yu (Dongguan, China), Yuchao Shao (Dongguan, China), Hualong Yu (Dongguan, China), Zhihuang Xie (Dongguan, China) and Zhenyu Dai (Dongguan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A feature data encoding method is provided. First feature data corresponding to each of channels to be encoded is determined; data type conversion processing is performed on the first feature data correspondin...