this the matlab code to find the perceptual shape and this has been implemented sucessfully . and this has been checked using the perfomance evaluation, root mean square, psnr-this is the matlab code to find the perceptual shape and this has been i

求信号处理中的峰值信噪比，学通信与仪器的都可用-peak signal noise ratio

MATLAB CODE FOR PSNR calculation for an image

this about how to get psnr-this is about how to get psnr

Image median filtering, the use of median filtering and low pass filtering comparison, analysis of PSNR, it is concluded that the performance difference