[Insight-users] ApproximateSignedDistanceMapImageFilter

Juan Carlos Prieto juanprietob at gmail.com
Thu Apr 8 10:38:23 EDT 2010


Hello Luis and ITK Users

I'm trying to use the ApproximateSignedDistanceMapImageFilter.
As described in the documentation it says the output has to be of type
float, When this is done, i get an exception :

/builddir/build/BUILD/InsightToolkit-3.16.0/Code/Common/itkMultiThreader.cxx:475:

itk::ERROR: MultiThreader(0x9a3d050):

Exception occurred during SingleMethodExecute

/usr/include/InsightToolkit/Algorithms/itkIsoContourDistanceImageFilter.txx:339:

itk::ERROR: IsoContourDistanceImageFilter(0x9a97d28): Gradient norm is lower
than pixel precision

On the other hand I tried with the same type of my input image (UShort) and
it worked but the output image is not as expected.



Please need some help

Juan Carlos Prieto
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