US Patent Issued to Huawei Technologies'Co., 'Ltd.' on Feb. 18 for "Video decoding method and video decoder using quantization groupings" (Chinese Inventors)

ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,231,669, issued on Feb. 18, was assigned to Huawei Technologies'Co.'Ltd.' (Guangdong, China).

"Video decoding method and video decoder using quantization groupings" was invented by Yin Zhao (Hangzhou, China) and Haitao Yang (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure discloses a video decoding method and a video decoder. The method includes: parsing coding tree split information to obtain a current node; determining coordinates of an upper-left corner of a region covered by a current quantization group based on a depth N of the current node; obtaining a QP delta of a current CU in the region covered by the curr...