[ITK-users] Using FFTW o

[Ricky Singla]

Hi there,

I'm attempting to perform a Fast Fourier Transform (FFT)  on an image using
ITK. For my test data, I am unable to use the ForwardFFTImageFilter, which
throws an exception on Update(). This exception is in regards to the
dimension sizes of the image (must be a multiple of 2,3, or 5). Thus I am
looking to use FFTW.

On my Windows 7 machine, in my ITK cmake configuration, I have set
ITK_USE_SYSTEM_FFTW to be true. This was because there were error messages
on setting ITK_USE_FFTWD indicating that for Windows, I must use
ITK_USE_SYSTEM_FFTW as fftw cannot be built as an external project on
Windows.

In my VS 2008 project, upon building the solution, I hit an error "FFTW
3.3.2 or later is required so that FFTW_WISDOM_ONLY is defined." This
indicates to me that FFTW was not found.

Searching the ITK mailing list archive, I did not find a clear solution to
this.

Does anyone know or have a solution for using FFTW in ITK on a Windows
machine?

Thank you.

Cheers,
Ricky Singla
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