US Patent Issued to LG Electronics on March 17 for "Method and device for designing low-frequency non-separable transform" (South Korean Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,581,084, issued on March 17, was assigned to LG Electronics Inc. (Seoul, South Korea).

"Method and device for designing low-frequency non-separable transform" was invented by Moonmo Koo (Seoul, South Korea), Jaehyun Lim (Seoul, South Korea), Seunghwan Kim (Seoul, South Korea) and Jie Zhao (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An image decoding method according to this document comprises the steps of: deriving an LFNST matrix for a current block on the basis of an LFNST index derived from LFNST index information and an LFNST set index; deriving modified transform coefficients on the basis of transform coefficients and the LF...