ALEXANDRIA, Va., April 21 -- United States Patent no. 12,608,869, issued on April 21, was assigned to BEIJING ZITIAO NETWORK TECHNOLOGY Co. LTD. (Beijing).

"Live video based on motion tracking and animation of forearm" was invented by Tianjiao Nan (Beijing) and Han Cheng (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "The method includes acquiring first feature data of a physical object in real time, where the physical object includes a torso, a main arm, an elbow joint, and a forearm, the first feature data is configured for representing rotation angles of multiple parts of the forearm around an axial direction, and the rotation angles of the multiple parts of the forearm around the axial direction ...