How to filter using FFT?

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dsk jfda
dsk jfda 2019-1-6
回答： Image Analyst 2019-1-8
I have this image I want to filter,I am trying to filter it using FFT algorthim? how should I do that?
cups.jpg
  2 个评论
nanren888
nanren888 2019-1-7
I tried Google. Seems lost of people are interested to tell you about how thiis works.
The first link offered was
https://www.youtube.com/watch?v=X53SrMnu91A
dsk jfda
dsk jfda 2019-1-8
I think I am stuck in finding the image filter (the one we multiply the Fourier Transform with),is there are an easy way to find it or should I guess it?

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Image Analyst
Image Analyst 2019-1-8

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