US Patent Issued to Apple on Aug. 11 for "Tone mapping for preserving contrast of fine features in an image" (British, American Inventors)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,705,715, issued on Aug. 11, was assigned to Apple Inc. (Cupertino, Calif.).

"Tone mapping for preserving contrast of fine features in an image" was invented by Alexey Kornienko (Watford, Great Britain) and Mahesh B Chappalli (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "This disclosure is directed towards tone mapping systems and methods that preserve contrast of fine features of an image and avoid brightening monotonic regions of the image. To preserve contrast and avoiding brightening of the monotonic regions, an image processing circuitry may include hardware that enables determining pixel statistics of an image, generating a tone ...