ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,477,120, issued on Nov. 18, was assigned to Alibaba Damo (Hangzhou) Technology Co. Ltd. (Hangzhou, China).
"Keypoints based video compression" was invented by Zhao Wang (Beijing), Bolin Chen (Hong Kong, Hong Kong), Yan Ye (San Diego) and Shiqi Wang (Hong Kong, Hong Kong).
According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and apparatuses are provided for compressing video data based on keypoint features. An exemplary video compression method includes: receiving a video sequence; encoding one or more pictures of the video sequence; and generating a bitstream; wherein the encoding includes: representing a first picture by a first set of keypoints and a ...