[ITK-users] 1D Complex To Complex FFT of a 2D Image

[Matt McCormick]

Hi David,

These filters have been implemented in the following Insight Journal
article [1][2].  See the classes in Submodule/itk-fft-extensions/Code/

Hope this helps,
Matt

[1] http://hdl.handle.net/10380/3159
[2] http://insight-journal.org/browse/publication/722

On Tue, May 6, 2014 at 11:42 AM, DVigneault <davis.vigneault at gmail.com> wrote:
> All--
>
> Sorry for the multiple e-mails--I've changed approach from my last post, and
> wanted to send updated code before anyone spent time looking through the
> last one.  I'm using the itkFFTWComplexToComplexImageFilter header files as
> a starting point.  I copied them into a local directory and am editing them
> directly.  To summarize:
>
> 1.  Use line iterator to copy one row into a std::complex<double> array.
> 2.  Convert to FFTW's input form using FFTW's
> reinterpret_cast<fftw_complex*>() function
> 3.  Create the 1d plan
> 4.  Execute the plan
> 5.  Use linear iterator to copy into the output image
> 6.  Destroy the plan
> 7.  Repeat for the next row
>
> This is giving me a Segmentation Fault on step 4 (when I execute the plan).
> Any ideas where I might be going wrong?
>
> Best, and thanks,
>
> --Davis
>
> itkFFTWComplexToComplexImageFilter.h
> <http://itk-users.7.n7.nabble.com/file/n33871/itkFFTWComplexToComplexImageFilter.h>
> itkFFTWComplexToComplexImageFilter.hxx
> <http://itk-users.7.n7.nabble.com/file/n33871/itkFFTWComplexToComplexImageFilter.hxx>
>
>
>
>
>
> --
> View this message in context: http://itk-users.7.n7.nabble.com/ITK-users-1D-Complex-To-Complex-FFT-of-a-2D-Image-tp33868p33871.html
> Sent from the ITK - Users mailing list archive at Nabble.com.
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