Film grain simulation technique for use in media playback...

Details Film grain simulation technique for use in media playback... Film grain simulation technique for use in media playback...

H - Electricity

04

N

H04N 7/26 (2006.01) H04N 5/262 (2006.01) H04N 7/46 (2006.01)

Patent

CA 2587445

Simulation of a block of film grain for addition to a block of an image occurs by first establishing at least one parameter at least in part in accordance with an attribute of the image block. At least one at least one block of film grain is simulated from at least one film grain pattern generated in accordance with the at least one parameter. In particular, ce film grain pattern is generated using a bit accurate technique.

Technique de simulation d'un bloc de grain d'émulsion afin d'ajouter ce dernier à un bloc d'image, ce qui consiste à établir au moins un paramètre au moins en partie en fonction d'un attribut du bloc d'image. Au moins un bloc de grain d'émulsion est simulé à partir d'au moins une configuration de grain d'émulsion générée selon ce paramètre. De façon plus spécifique, cette configuration est générée au moyen d'une technique binaire précise.

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