ALEXANDRIA, Va., June 16 -- United States Patent no. 12,309,399, issued on May 20, was assigned to LG Electronics Inc. (Seoul, South Korea).
"Luma mapping- and chroma scaling-based video or image coding" was invented by Jie Zhao (Seoul, South Korea) and Seunghwan Kim (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "According to the disclosure of the present document, a luma mapping with chroma scaling (LMCS) process may be simplified, and a linear LMCS may be applied. Accordingly, the complexity of the LMCS may be reduced and video/image coding efficiency may be increased."
The patent was filed on Dec. 6, 2023, under Application No. 18/530,716.
*For further information, including images, ...