Bit-accurate film grain simulation method based on...

Details Bit-accurate film grain simulation method based on... Bit-accurate film grain simulation method based on...

G - Physics

06

T

G06T 9/00 (2006.01)

Patent

CA 2587117

Bit-accurate creation of a film grain pattern occurs by first establishing a set of bit-accurate transformed coefficients. The set of bit-accurate transformed coefficients undergo frequency filtering and a subsequent bit- accurate inverse transformation to yield the film grain pattern.

Selon l'invention, la création précise au bit d'un modèle de grain de film est mise en oeuvre tout d'abord par établissement d'un ensemble de coefficients transformés précis au bit. Ensuite, l'ensemble de coefficients transformés précis au bit subit un filtrage de fréquence et une transformation inverse précise au bit ultérieure afin de produire le modèle de grain de film.

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