[ITK-users] SimpleITK FFTConvolution

[Gaetan Lehmann]

Hi Brad,

I'm trying to use SimpleITK's FFTConvolution from python:

  import SimpleITK as sitk
  img = sitk.ReadImage("/tmp/cthead1.png")
  kernel = sitk.ReadImage("/tmp/kernel2.png")
  conv = sitk.FFTConvolution(img, kernel)

the last line fails with the error:

Traceback (most recent call last):
  File "/tmp/test.py", line 5, in <module>
    conv = sitk.FFTConvolution(img, kernel)
  File
"/Users/glehmann/Library/Python/2.7/lib/python/site-packages/SimpleITK/SimpleITK.py",
line 17771, in FFTConvolution
    return _SimpleITK.FFTConvolution(*args, **kwargs)
RuntimeError: Exception thrown in SimpleITK FFTConvolution:
/scratch/dashboards/SimpleITK-OSX10.7-intel-pkg/SimpleITK/Code/Common/include/sitkMemberFunctionFactory.hxx:193:
sitk::ERROR: Pixel type: vector of 8-bit unsigned integer is not supported
in 2D byN3itk6simple25FFTConvolutionImageFilterE

I get the same error when building from source and when installing
SimpleITK with

  pip install --user SimpleITK

This is on a mac running yosemite.

Would you have an idea of what is wrong?

Thanks,

Gaëtan
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