G - Physics – 06 – K
Patent
G - Physics
06
K
G06K 9/00 (2006.01) G06T 9/00 (2006.01) H04N 7/26 (2006.01)
Patent
CA 2361410
A method for optimizing signal quantification (140) including applying reversible filters (110) to the signal in order to pre-quantify the signal as a continuous function of the frequency domain; pre-processing the signal (120) in order to place it in proper color space and frequency domain; applying subband transforms to the signal (130) in order to split the signal into frequency regions (140), and entropy coding the signal (150).
L'invention concerne un procédé d'optimisation de la quantification (140) du signal consistant à appliquer au signal des filtres réversibles (110) en vue de pré-quantifier le signal sous forme de fonction continue du domaine fréquentiel; à pré-traiter (120) le signal afin de le placer dans l'espace couleurs et dans le domaine fréquentiel appropriés, à appliquer au signal des transformées de sous-bandes (130) afin de séparer le signal en plages de fréquence (140) et à coder le signal de manière entropique (150).
Gowling Lafleur Henderson Llp
Quvis Inc.
LandOfFree
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