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| Filter type | Kernel or mask | Example |
|---|---|---|
| Original Image | 
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| Spatial Lowpass | 
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| Spatial Highpass | 
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| Fourier Representation | MATLAB Script:
img=checkerboard(size); F=fft2(img); F=fftshift(F); imshow(log(1+abs(F))) |
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| Fourier Lowpass | 
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| Fourier Highpass | 
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