Image De-Noising Algorithm Using Adaptive Bayes Threshold by Subband Based on Nonsubsampled Contourlet Transform

Utilizing the nonsubsampled contour let transform's(NSCT)advantages of translation invariance", "multi-resolution", "multidirection", "A image de-noising algorithm using adaptive bayes threshold by sub band based on nonsubsampled contour let transform is presented. Source images are decomposed to the domain of the NSCT, and According to different scales, different directions of sub-band energy, adaptive denoising threshold. Comparing with the multi-scale threshold using contour let transform and using adaptive threshold based on contour let transform, the simulation results show that the performance of this method is superior in Visual effects and psnr.