Bit-accurate seed initialization for pseudo-random number...

Details Bit-accurate seed initialization for pseudo-random number... Bit-accurate seed initialization for pseudo-random number...

G - Physics

06

F

G06F 7/58 (2006.01) H04N 7/26 (2006.01)

Patent

CA 2587131

There are provided methods and apparatus for bit-accurate seed initialization for pseudo-random number generators used in a video system. A method includes the steps of creating (205) a look-up table of PRNG seeds, and initializing (210) one of the PRNG seeds from the look-up table for a picture by accessing the look-up table using a value corresponding to an order of the picture.

L'invention concerne des procédés et un appareil de déclenchement de graine précise en bits pour générateurs de nombres pseudo-aléatoires utilisés dans un système vidéo. Un procédé consiste à créer (205) une table de consultation de graines PRNG; puis à déclencher (210) une des graines PRNG de la table de consultation pour obtenir une image en accédant à la table de consultation grâce à une valeur correspondant à un ordre de l'image.

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