[Insight-developers] compilation error of using DiscreteGaussianImageFilter with vector images

[gang song]

Hi,

I tried to use DiscreteGaussianImageFilter to smooth a vector image and got
compilation error like:

/ITK/InsightToolkit-3.20.0/Code/BasicFilters/itkNeighborhoodOperatorImageFilter.txx:95:
error: ‘is_signed’ is not a member of ‘itk::NumericTraits<itk::Vector<float,
3u> >’

NeighborhoodOperatorImageFilter is used in

template< class TInputImage, class TOutputImage >
void DiscreteGaussianImageFilter<TInputImage, TOutputImage>::GenerateData()
{}

Any suggestions about how to deal with this? This seems a general problem
for vector image types with NeighborhoodOperatorImageFilter.


Thanks

-Gang
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