Technique for bit-accurate film grain simulation

Details Technique for bit-accurate film grain simulation Technique for bit-accurate film grain simulation

H - Electricity

04

N

H04N 7/26 (2006.01) H04N 5/262 (2006.01)

Patent

CA 2540852

The simulation of film grain in an image makes use of parameters contained in a Supplemental Enhancement Information (SEI) message that accompanies the image upon transmission. The SEI message specifies film grain simulation parameters such as the film simulation model, the blending mode, and color space.

L'invention concerne la simulation du grain dans une image comprenant l'utilisation de paramètres contenus dans un message d'informations d'amélioration supplémentaire (SEI) qui accompagne l'image lors de la transmission. Le message SEI spécifie des paramètres de simulation de grain, tel qu'un modèle de simulation de film, le mode de mélange, et l'espace des couleurs.

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