ALEXANDRIA, Va., April 9 -- United States Patent no. 12,273,566, issued on April 8, was assigned to WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC. (Seongnam-si, South Korea).

"Method and device for processing video signal by using subblock-based motion compensation" was invented by Geonjung Ko (Seoul, South Korea), Dongcheol Kim (Suwon-Si, South Korea), Juhyung Son (Uiwang-Si, South Korea), Jaehong Jung (Seoul, South Korea) and Jinsam Kwak (Anyang-Si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A video signal processing method may comprise the steps of: acquiring a first syntax element indicating whether a subblock-based merging mode is applied to a current block; acquiring a second syntax e...