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Optimal multiresolution quantization for scalable multimedia coding | IEEE Conference Publication | IEEE Xplore

Optimal multiresolution quantization for scalable multimedia coding


Abstract:

We have investigated the problem of designing an optimal entropy-constrained multiresolution scalar quantizer under the criterion of minimizing the expected distortion we...Show More

Abstract:

We have investigated the problem of designing an optimal entropy-constrained multiresolution scalar quantizer under the criterion of minimizing the expected distortion weighted by the probability of transmission rate and for arbitrary probability mass function of signal amplitude. An O(LN/sup 3/) algorithm is proposed to solve the optimization problem, where L is the number of refinement stages, and N is the size of input symbol alphabet. The proposed algorithm is globally optimal, and furthermore, it is more general than its locally optimal predecessors in terms of quantizer structures.
Date of Conference: 25-25 October 2002
Date Added to IEEE Xplore: 06 January 2003
Print ISBN:0-7803-7629-3
Conference Location: Bangalore, India

References

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