A novel denoising method based on the nonsubsampled wavelet-based contourlet transform (N-WBCT) was
proposed in this paper. It employs wavelet transform for multi-scale decomposition, and nonsubsampled directional filter
banks (NSDFB) for directional decomposition. N-WBCT has not only the properties of multi-resolution and
multi-direction, but also the property of translation invariance, which is useful in eliminating the Gibbs phenomenon.
The experiment results showed that this algorithm can get higher PSNR and the better visual.
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