Napioa - Wind Origins

Napioa - Wind Origins
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7
votes
3answers
14k views

How to analyze images with Fast Fourier Transform method?

I am learning about analyzing images with the method of FFT(Fast Fourier Transform). The image I am analyzing is attached below: And the result of the FFT analysis of this picture is presented ...
2
votes
1answer
199 views

What is the the product of two Fast Fourier Transfoms?

I am reading a book about image processing. I have found mention of a method for processing images. It is said that a special effect could be reached when we multiply two results of the Fast Fourier ...