[Insight-users] FFT

[Renaud Isabelle]

Hi,
   
  It's still concerning how to use FFTW witk ITK.
   
  Before, I was using Microsoft Visual C++ 6.0 whose compilator was buggy to build fftw librairies. Since today, I have Microsoft Visual C++ 7.1. So I downloaded from the official website and build without problem the FFTW library (I got my fftwd.lib built with MSVC7.1).
   
  Then I have to rebuild ITK and VTK with CMake and MSVC7.1. 
   
  As building ITK 2.2 witk CMake, I set USE_FFTWD to ON. I have no error when compiling. So now, I supposed that I could use itkFFTWRealToComplexImageFilter in my own project. However, introducing the instruction "typedef itk::FFTWRealToComplexConjugateImageFilter<double, 2> FFTFilter; " in my code still generates an error: "FFTWRealToComplexComplexConjugateImageFilter is not a member of ITK". What do I have to do to make it a member of ITK???? Am I missing a step? 
   
   
  - BTW, I would like to say that I tried another ways to compute my FFT (with Numerical Recipes and Vnl) but it didn't work (zero padding caused wrap problems and Vnl ifft computed module ). That is why I have to insist. Actually, I make my boss buy Microsoft Visual C++ 7.1 software in order to use itkFFTW, and it is still not working. I really need help. 
   
  Isabelle
   
   
   

		
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