ALEXANDRIA, Va., June 4 -- United States Patent no. 12,323,603, issued on June 3, was assigned to BEIJING XIAOMI MOBILE SOFTWARE Co. LTD. (Beijing).
"Transform-based image coding method and device" was invented by Moonmo Koo (Seoul, South Korea), Mehdi Salehifar (Seoul, South Korea), Seunghwan Kim (Seoul, South Korea) and Jaehyun Lim (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "An image decoding method according to the present disclosure includes deriving transform coefficients through dequantization based on the quantized transform coefficients for the target block; deriving modified transform coefficients based on an inverse reduced secondary transform (RST) for the transform coeffici...