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16 votes
3 answers
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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: Portrait of woman posing on grass, by George Marks. Getty Images. And ...
Chuck Wang's user avatar
2 votes
1 answer
228 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 ...
Chuck Wang's user avatar