Introduction - If you have any usage issues, please Google them yourself
Contourlet transform translation invariance in singularity aspects led to the pseudo Gibbs effect. And NSCT is a kind of translation invariant, multi-scale and multi-resolution redundant transform, it to filter on sampling and analysis and comprehensive filtering, this kind of filter design and reconstruction is easy to realize, and can better acquisition frequency and with regularity, in image denoising has been widely used in the field.