US Patent Issued to LG Electronics on Sept. 2 for "Image coding method based on secondary transform, and device therefor" (South Korean Inventors)

ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,407,860, issued on Sept. 2, was assigned to LG Electronics Inc. (Seoul, South Korea).

"Image coding method based on secondary transform, 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 steps of: deriving transform coefficients through inverse quantization on the basis of quantized transform coefficients for a target block; deriving modified transform coefficients on the basis of an inverse reduced secondary transform (RST) for the transform coe...