Subband coding systems incorporating quantizer models

  title={Subband coding systems incorporating quantizer models},
  author={Jelena Kovacevic},
  journal={IEEE transactions on image processing : a publication of the IEEE Signal Processing Society},
  volume={4 5},
A new method for dealing with the effects of quantization in a subband system is proposed. It uses the "gain plus additive noise" linear model for the Lloyd-Max quantizer. Based on this, it is demonstrated how, by an appropriate choice of synthesis filters, one can cancel all signal-dependent errors at the output of the system. The only remaining error is random in nature and not correlated with the input signal. We therefore have a tradeoff between the error being only random or having signal… CONTINUE READING
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