The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 18, 2025
Filed:
Jan. 23, 2023
Interdigital Ce Patent Holdings, Sas, Paris, FR;
David Touze, Rennes, FR;
Robin Le Naour, Cesson-Sevigne, FR;
Laurent Cauvin, Chevaigne, FR;
Nicolas Caramelli, Rennes, FR;
InterDigital CE Patent Holdings, SAS, Paris, FR;
Abstract
A method comprising applying a conversion function to first RGB picture data in a color gamut and corresponding to a first non-linear domain to obtain second RGB picture data in the same color gamut in a linear domain, said conversion function being a combination () of a first and a second function, the first function being a linear function defined between zero and a second inflexion point the slope of which depending on a steepness value and the second function being a part of a linear to first non-linear domain transfer function defined from the second inflexion point, the second inflexion point being computed () in the first non-linear domain from a first inflexion point obtained () in the linear domain, the steepness value being computed () from the first and second inflexion points.