G - Physics – 10 – L
Patent
G - Physics
10
L
G10L 19/06 (2006.01) G10L 11/00 (2006.01) G10L 19/02 (2006.01)
Patent
CA 2356152
To reduce the complexity of finding reconstruction points in connection with vector quantization, a set of reconstruction points close to a predicted reconstruction point is selected, whereupon a distortion measure is calculated for all the reconstruction points of the selected set, and that reconstruction point that gives the smallest distortion, is chosen as the optimal reconstruction point. Since only a small number of reconstruction points has to be searched, the complexity of the search is significantly reduced.
La présente invention concerne un procédé permettant de réduire la complexité de la recherche de points de reconstruction en connexion avec la quantification vectorielle, par la sélection d'un ensemble de points de reconstruction proches d'un point de reconstruction prédit. Une mesure de distortion est ensuite calculée pour tous les points de reconstruction de l'ensemble choisi et le point de reconstruction présentant la plus petite distortion est choisi comme point de reconstruction optimal. Etant donné que seul un petit nombre de points de reconstruction doit être recherché, la complexité de la recherche est remarquablement réduite.
Marks & Clerk
Telefonaktiebolaget Lm Ericsson
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