Method of data compression including compression of video data

Details Method of data compression including compression of video data Method of data compression including compression of video data

G - Physics

06

K

G06K 9/46 (2006.01)

Patent

CA 2572102

A data processing system includes a subband decomposition of a source signal by encoding of the significant pyramid-type subband representation. While encoding process, M-array is used for initialization of set of arrays Si (arrays of solution bits), which define the order of creating output data streams. Output data streams contain an encoded significance map and values of (significant) non-zero subband decomposition coefficients adapted for successive quantization and entropy encoding.

Un système de traitement de données inclut une décomposition en sous-bandes d'un signal source en codant la représentation significative en sous-bandes de type pyramidales. Pendant le traitement de codage, la matrice en M est utilisée pour l'initialisation de l'ensemble de matrices Si (matrices de bits de solution) qui définissent l'ordre de création de trains de données de sortie. Les trains de données de sortie contiennent une cartographie à significations codées et des valeurs de coefficients de décompositions de sous-bandes non-nulles (significatives) adaptées pour une quantification successive et un codage par entropie.

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