Salt and pepper noise and Gaussian noise images with butterworth and the ideal low-pass filter for smoothing, calculating smooth before and after the PSNR (peak signal to noise ratio). (2) 3x3 neighborhood average in smoothing and 3x3 median filter images by the salt and pepper noise and Gaussian noise smoothing, computing smooth around the PSNR (peak signal to noise ratio). Roberts operator and Laplace operator on an image sharpening, get the edge binary image.

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