US Patent Issued to LG Electronics on July 22 for "Transform-based image coding method and apparatus therefor" (South Korean Inventors)

ALEXANDRIA, Va., July 23 -- United States Patent no. 12,368,855, issued on July 22, was assigned to LG Electronics Inc. (Seoul, South Korea).

"Transform-based image coding method and apparatus therefor" was invented by Moonmo Koo (Seoul, South Korea), Jaehyun Lim (Seoul, South Korea), Seunghwan Kim (Seoul, South Korea) and Mehdi Salehifar (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 steps of: deriving a transform coefficient for a current block on the basis of residual information; when LFNST is applied to the current block, receiving an LFNST index related to an LFNST matrix; and deriving a modified transform coef...