ALEXANDRIA, Va., March 5 -- United States Patent no. 12,244,938, issued on March 4, was assigned to NVIDIA Corp. (Santa Clara, Calif.).

"Brightness based chromaticity weighting for improved illuminant color estimation for auto white balancing" was invented by Douglas Taylor (Santa Clara, Calif.) and Animesh Khemka (Fremont, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Apparatuses, systems, and techniques for white balancing an image are presented. In at least one embodiment, a chromaticity-based weighting function is determined based at least on an estimated scene brightness of the image and applied to exclude or minimize the impact of large colored portions or objects within an image when estimatin...