US Patent Issued to Nokia Technologies on Jan. 20 for "Luma mapping-based video or image coding" (South Korean Inventors)

ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,531,993, issued on Jan. 20, was assigned to Nokia Technologies Oy (Espoo, Finland).

"Luma mapping-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, the index derivation process for the inverse luma mapping and/or the chroma residual scaling may be simplified, and the 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 Feb. 29, 2024, under Application No. 18/592,116.

*For further inform...