ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,776,017, issued on Oct. 27, was assigned to Koninklijke Philips N.V. (Einhoven, Netherlands).
"HDR out of gamut adjusted tone mapping" was invented by Johannes Yzebrand Tichelaar (Eindhoven, Netherlands).
According to the abstract* released by the U.S. Patent & Trademark Office: "To get easy correction of typical out of gamut mapping issues when liberally applying desired luma mapping functions to luma/chrominance color representations, the inventor proposes an apparatus (500), or method, for transforming an input pixel color (C_Hb) of a high dynamic range input image into an output color (C_Sb) of an output image, wherein the input color is represented as a gamma-log-defined triplet...