US Patent Issued to Koninklijke Philips on Aug. 25 for "HDR video reconstruction by converted tone mapping" (Dutch Inventors)

ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,720,123, issued on Aug. 25, was assigned to Koninklijke Philips N.V. (Eindhoven, Netherlands).

"HDR video reconstruction by converted tone mapping" was invented by Johannes Yzebrand Tichelaar (Eindhoven, Netherlands) and Roeland Focco Everhard Goris (Veldhoven, Netherlands).

According to the abstract* released by the U.S. Patent & Trademark Office: "To enable better quality decoding of HDR images which are communicated as corresponding LDR images plus luma mapping functions, applicant teaches an encoder for encoding a high dynamic range image (Im_HDR_PSEU), which high dynamic range image is represented firstly by a matrix of pixel colors (Y_SDR, Cb_SDR, Cr_SDR) of an image of lower d...