/usr/include/InsightToolkit/Algorithms/itkLaplacianSegmentationLevelSetFunction.txx is in libinsighttoolkit3-dev 3.20.1-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 | /*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkLaplacianSegmentationLevelSetFunction.txx
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#ifndef __itkLaplacianSegmentationLevelSetFunction_txx
#define __itkLaplacianSegmentationLevelSetFunction_txx
#include "itkLaplacianSegmentationLevelSetFunction.h"
#include "itkLaplacianImageFilter.h"
#include "itkCastImageFilter.h"
namespace itk {
template <class TImageType, class TFeatureImageType>
void LaplacianSegmentationLevelSetFunction<TImageType, TFeatureImageType>
::CalculateSpeedImage()
{
typename LaplacianImageFilter<ImageType, ImageType>::Pointer
filter = LaplacianImageFilter<ImageType, ImageType>::New();
typename CastImageFilter<FeatureImageType, ImageType>::Pointer
caster = CastImageFilter<FeatureImageType, ImageType>::New();
caster->SetInput(this->GetFeatureImage());
filter->SetInput(caster->GetOutput());
// make the laplacian filter use the pixel container from the speed image
filter->GraftOutput(this->GetSpeedImage());
filter->Update();
// move the meta information (mostly the spacing and origin) back to
// the speed image.
//
// unfortunately functions are not filters so we can't graft back
this->GetSpeedImage()->Graft( filter->GetOutput() );
}
} // end namespace itk
#endif
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