ALEXANDRIA, Va., June 17 -- United States Patent no. 12,316,978, issued on May 27, was assigned to DUELIGHT LLC (Sunnyvale, Calif.).
"Color balance in digital photography" was invented by William Rivard (Menlo Park, Calif.), Adam Feder (Mountain View, Calif.) and Brian Kindle (Sunnyvale, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A technique for generating a digital photograph comprises blending two related images, each sampled according to a different illumination environment. The two related images are blended according to a blend surface function that includes a height discontinuity separating two different blend weight regions. Color consistency between the two related images is achieved by sp...