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Topic: FFT2 and IFFT2
Replies: 1   Last Post: Dec 23, 2013 4:51 PM

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Posts: 2
Registered: 12/23/13
Re: FFT2 and IFFT2
Posted: Dec 23, 2013 4:51 PM
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"Alec " <alecsm3@aol.com> wrote in message <l99mb3$f4b$1@newscl01ah.mathworks.com>...
> Hello,
> I have used imread to take a picture of kittens. I then run the fourier transform of the image using fft2 and then use ifft2 to get the image back. Unfortunately, instead of getting the image of kittens back, I am getting an almost entirely white image.
> Code:
> kittens = imread('practice_image.jpg');
> fKittens = fft2(kittens);
> reconImage = ifft2(fKittens);
> figure, imshow(reconImage), title('Reconstructed image');
> Thanks for any help

Found my answer here http://stackoverflow.com/questions/3729235/why-isnt-this-inverse-fourier-transform-giving-the-correct-results

Guess it was already asked. Sorry

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