The Nonsubsampled Contourlet Transform: Theory, Design, and Applications

  title={The Nonsubsampled Contourlet Transform: Theory, Design, and Applications},
  author={Arthur L. da Cunha and Jianping Zhou and Minh N. Do},
  journal={IEEE Transactions on Image Processing},
In this paper, we develop the nonsubsampled contourlet transform (NSCT) and study its applications. The construction proposed in this paper is based on a nonsubsampled pyramid structure and nonsubsampled directional filter banks. The result is a flexible multiscale, multidirection, and shift-invariant image decomposition that can be efficiently implemented via the a trous algorithm. At the core of the proposed scheme is the nonseparable two-channel nonsubsampled filter bank (NSFB). We exploit… CONTINUE READING
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