A posteriori quantization of progressive matching pursuit streams

@article{Frossard2004APQ,
  title={A posteriori quantization of progressive matching pursuit streams},
  author={Pascal Frossard and Pierre Vandergheynst and Rosa M. Figueras i Ventura and Murat Kunt},
  journal={IEEE Transactions on Signal Processing},
  year={2004},
  volume={52},
  pages={525-535}
}
This paper proposes a rate-distortion optimal a posteriori quantization scheme for matching pursuit (MP) coefficients. The a posteriori quantization applies to an MP expansion that has been generated offline and cannot benefit of any feedback loop to the encoder in order to compensate for the quantization noise. The redundancy of the MP dictionary provides… CONTINUE READING

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