US Patent Issued to LG Electronics on May 20 for "Image coding method based on conversion, and device for same" (South Korean Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,309,384, issued on May 20, was assigned to LG Electronics Inc. (Seoul, South Korea).

"Image coding method based on conversion, and device for same" was invented by Moonmo Koo (Seoul, South Korea), Seunghwan Kim (Seoul, South Korea), Mehdi Salehifar (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 flag information indicating whether valid coefficients are present in a second area excluding a first area of the upper left corner of the current block; parsing an MTS index from a bitstream on the basis of the flag...