| 摘要 |
A method of quantizing a multidimensional sampled signal including at least one multidimensional sample of given dimension N, the sample or each sample including N components, includes the steps of, for each sample, transforming each component into a set of transformed coefficients in N known numbering bases, combining the sets of transformed coefficients and progressively quantizing the combination of the sets of transformed coefficients. For combining the sets of transformed coefficients it includes the successive steps of creating, for the multidimensional sample or for each multidimensional sample, a vector the coefficients of which are N-tuplets formed by the transformed coefficients of the same rank i in the N bases of transformation of the characteristic variables and combining the vectors of N-tuplets. The method finally includes progressive quantizing of the combination of the vectors of N-tuplets. The progressive quantizing is effected on the N-tuplets.
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