ALEXANDRIA, Va., April 15 -- United States Patent no. 12,603,995, issued on April 14, was assigned to BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY Co. LTD. (Beijing).

"Video coding using multi-resolution reference picture management" was invented by Xianglin Wang (San Diego), Yi-Wen Chen (San Diego), Yunfei Zheng (San Diego), Xing Wen (San Diego), Yucong Chen (Beijing) and Yue Huang (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "Video coding methods and apparatuses are provided. A set of two or more pictures is coded. The set includes at least a first picture coded with a first spatial resolution, and a second picture coded with a second spatial resolution different from the first spatial resolutio...