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16 lines
545 B
Matlab
16 lines
545 B
Matlab
% 2.
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peppers = rgb2gray(imread('peppers.png'));
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peppers_1 = imnoise(peppers, 'salt & pepper', 0.02);
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peppers_2 = imgaussfilt(peppers);
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peppers_3 = imnoise(peppers, 'salt & pepper', 0.6);
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peppers_fft = fftshift(log(abs(fft2(peppers))));
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peppers1_fft = fftshift(log(abs(fft2(peppers_1))));
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peppers2_fft = fftshift(log(abs(fft2(peppers_2))));
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peppers3_fft = fftshift(log(abs(fft2(peppers_3))));
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figure (1), imshow(peppers_fft, []);
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figure (2), imshow(peppers1_fft, []);
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figure (3), imshow(peppers2_fft, []);
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figure (4), imshow(peppers3_fft, []);
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