MUMBAI, India, Sept. 22 -- Intellectual Property India has published a patent application (202647101812 A) filed by Koninklijke Philips N. V. on August 24, 2026, for Luminance Mapping For Images.
Inventor includes Tichelaar, Johannes Yzebrand.
The application for the patent was published on September 18, 2026, under issue no. 38/2026.
Abstract: To obtain better color control in dynamic range mappings, which are e.g. useful in particular for HDR image coding and communication, the inventor proposes a luminance down-mapper (500) and corresponding up-mapper comprising: a luma input (501) for a normalized input luma (Y'_i) which codes an input luminance lying within a first luminance dynamic range (DR_H); a chroma input (502) for two normali...