ALEXANDRIA, Va., May 26 -- United States Patent no. 12,639,981, issued on May 26, was assigned to Shandong Normal University (Jinan, China).

"Method and system for identifying human interactive behavior based on multi-view comparison" was invented by Lei Lyu (Jinan, China), Chen Pang (Jinan, China) and Xiang Liu (Jinan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method and a system for identifying human interactive behavior based on multi-view comparison are provided, belonging to the field of computer vision. The method includes acquiring position information of human joints in each frame of video data; constructing a skeleton spatio-temporal graph based on the position information of the human ...