Rate-Distortion Analysis of Directional Wavelets

@article{Maleki2012RateDistortionAO,
  title={Rate-Distortion Analysis of Directional Wavelets},
  author={Arian Maleki and Boshra Rajaei and Hamid Reza Pourreza},
  journal={IEEE Transactions on Image Processing},
  year={2012},
  volume={21},
  pages={588-600}
}
The inefficiency of separable wavelets in representing smooth edges has led to a great interest in the study of new 2-D transformations. The most popular criterion for analyzing these transformations is the approximation power. Transformations with near-optimal approximation power are useful in many applications such as denoising and enhancement. However, they are not necessarily good for compression. Therefore, most of the nearly optimal transformations such as curvelets and contourlets have… CONTINUE READING

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