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User:KCote/sandbox

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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))

Fourier Lowpass
Fourier Highpass

References

[edit]
  • Berger, Marcel (1987), Geometry I, Berlin: Springer, ISBN 3-540-11658-3