Efficient scalar quantization of exponential and Laplacian random variables

  title={Efficient scalar quantization of exponential and Laplacian random variables},
  author={Gary J. Sullivan},
  journal={IEEE Trans. Information Theory},
AbstructThis paper presents solutions to the entropyconstrained scalar quantizer (ECSQ) design problem for two sources commonly encountered in image and speech compression applications: sources having the exponential and Laplacian probability density functions. We use the memoryless property of the exponential distribution to develop a new noniterative algorithm for obtaining the optimal quantizer design. We show how to obtain the optimal ECSQ either with or without an additional constraint on… CONTINUE READING
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