<div dir="ltr"><span style="font-family:arial,sans-serif;font-size:13px">The InverseFFTImageFilters return only real images. You should be able to use</span><div style="font-family:arial,sans-serif;font-size:13px"><br></div>
<div style="font-family:arial,sans-serif;font-size:13px"><a href="http://www.itk.org/Doxygen/html/classitk_1_1FFTComplexToComplexImageFilter.html" target="_blank">http://www.itk.org/Doxygen/html/classitk_1_1FFTComplexToComplexImageFilter.html</a><br>
</div><div style="font-family:arial,sans-serif;font-size:13px"><br></div><div style="font-family:arial,sans-serif;font-size:13px">to obtain a complex inverse image. Note that this class is in Review, so you will need to enable ITK's Review module in CMake.</div>
<div style="font-family:arial,sans-serif;font-size:13px"><br></div><div style="font-family:arial,sans-serif;font-size:13px">Hope that helps,</div><div style="font-family:arial,sans-serif;font-size:13px">Cory</div></div><div class="gmail_extra">
<br><br><div class="gmail_quote">On Fri, Nov 22, 2013 at 1:51 PM, DVigneault <span dir="ltr"><<a href="mailto:davis.vigneault@gmail.com" target="_blank">davis.vigneault@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Thanks for the reply, Brad!<br>
<br>
When I change the typedef to:<br>
<div class="im"><br>
typedef itk::VnlInverseFFTImageFilter< ComplexImageType, ComplexImageType ><br>
</div>FFTInverseFilterType;<br>
<br>
I get a very long error message during compilation, which starts with:<br>
<br>
In file included from<br>
/Users/Davis/Desktop/ITKExamples/00_Pipeline/04_harp/src/FFT.cxx:18:<br>
In file included from /usr/local/include/ITK-4.4/itkImage.h:21:<br>
In file included from /usr/local/include/ITK-4.4/itkImageRegion.h:34:<br>
In file included from /usr/local/include/ITK-4.4/itkContinuousIndex.h:22:<br>
In file included from /usr/local/include/ITK-4.4/itkIndex.h:23:<br>
In file included from /usr/local/include/ITK-4.4/itkMath.h:33:<br>
/usr/local/include/ITK-4.4/itkConceptChecking.h:394:32: error: invalid<br>
operands to binary expression<br>
      ('std::complex<float>' and 'unsigned int')<br>
      a = static_cast< T3 >( b / c );<br>
<br>
<br>
<br>
--<br>
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