MUMBAI, India, Aug. 31 -- Intellectual Property India has published a patent application (202617081208 A) filed by Interdigital Ce Patent Holdings on July 01, 2026, for Video Encoding And Decoding Based On Region Dependent Film Grain Metadata.
Inventors include De Lagrange, Philippe; Francois, Edouard; Le Pendu, Mikael Application Number; and Salmon-Legagneur, Charles.
The application for the patent was published on August 28, 2026, under issue no. 35/2026.
Abstract: A method and device allow to define image regions, sets of film grain characteristics, and provides means to associate image regions with film grain characteristics. An encoded video bitstream comprises specific syntax allowing to carry such information from an encoding device to a decoding device. In one example of usage of the application, the determined film grain is synthetized and applied to an image of a decoded video. This brings a differentiation of the film grain characteristics of different regions, for example in relation with different types of video sources.
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