A DCT-based embedded image coder

  title={A DCT-based embedded image coder},
  author={Zixiang Xiong and O. Guleryuz and M. Orchard},
  journal={IEEE Signal Processing Letters},
Since Shapiro (see ibid., vol.41, no.12, p. 445, 1993) published his work on embedded zerotree wavelet (EZW) image coding, there have been increased research activities in image coding centered around wavelets. We first point out that the wavelet transform is just one member in a family of linear transformations, and the discrete cosine transform (DCT) can also be coupled with an embedded zerotree quantizer. We then present such an image coder that outperforms any other DCT-based coder… CONTINUE READING
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