Description: 1, the read image A and B, show two images, the Fourier transform of the image, display the amplitude of the frequency domain image. Inverse Fourier transform for the display image, to see if the same original image. 2, the design of a simple Butterworth low-pass filter (cutoff frequency selectable), the image A low-pass filter for the frequency domain, and then make the inverse transform, under two different cutoff frequencies observed inverse transform the image and the original image difference. 3, the design of a high-pass Gaussian filter (cutoff frequency optional), the high frequency emphasis filter for the image B, and then make the inverse transform, the difference image and the original image is observed under two different cutoff frequency inverse transformed.
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