ALEXANDRIA, Va., June 12 -- United States Patent no. 12,301,844, issued on May 13, was assigned to LG Electronics Inc. (Seoul, South Korea).
"Transform-based image coding method and device therefor" was invented by Moonmo Koo (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 document comprises the step of deriving modified transform coefficients, wherein the step of deriving the modified transform coefficients comprises the step of parsing an LFNST index on the basis of a variable indicating whether an ISP is applied to a current block or whether an effective coefficient...