code\cameraman.jpg ....\DWFilter.asv ....\DWFilter.m ....\DWMdetection.asv ....\eight.tif ....\iterface.asv ....\iterface.fig ....\iterface.m ....\lena.jpg ....\main.asv ....\main.m ....\my_filter.m ....\noise_detection.asv ....\noise_detection.m ....\psnr.m ....\RemoveRandom.asv ....\ssim_index.m code