ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,382,042, issued on Aug. 5, was assigned to BEIJING XIAOMI MOBILE SOFTWARE Co. LTD. (Beijing).
"Transform-based image coding method and device therefor" was invented by Moonmo Koo (Seoul, South Korea), Jaehyun Lim (Seoul, South Korea), Junghak Nam (Seoul, South Korea) and Seunghwan Kim (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "An image decoding method according to the present document comprises a step for performing inverse first-order transform and inverse non-separable transform on a residual sample. The inverse non-separable transform is performed on the basis of a transform index indicating a predetermined transform kernel mat...