Visibility of wavelet quantization noise

@article{Watson1997VisibilityOW,
  title={Visibility of wavelet quantization noise},
  author={Andrew B. Watson and Gloria Y. Yang and Joshua A. Solomon and John D. Villasenor},
  journal={IEEE Transactions on Image Processing},
  year={1997},
  volume={6},
  pages={1164-1175}
}
The discrete wavelet transform (DWT) decomposes an image into bands that vary in spatial frequency and orientation. It is widely used for image compression, measures of the visibility of DWT quantization errors are required to achieve optimal compression. Uniform quantization of a single band of coefficients results in an artifact that we call DWT uniform quantization noise; it is the sum of a lattice of random amplitude basis functions of the corresponding DWT synthesis filter. We measured… CONTINUE READING
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