Filter type | Kernel or mask | Example |
---|---|---|
Original Image | ![]() | |
Spatial Lowpass | ![]() | |
Spatial Highpass | ![]() | |
Fourier Representation | Pseudo-code:
image = checkerboard F = Fourier Transform of image Show Image: log(1+Absolute Value(F)) |
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Fourier Lowpass | ![]() |
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Fourier Highpass | ![]() |
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References
edit- Berger, Marcel (1987), Geometry I, Berlin: Springer, ISBN 3-540-11658-3