/usr/include/InsightToolkit/Algorithms/itkBinaryMinMaxCurvatureFlowFunction.txx is in libinsighttoolkit3-dev 3.20.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 | /*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkBinaryMinMaxCurvatureFlowFunction.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 __itkBinaryMinMaxCurvatureFlowFunction_txx
#define __itkBinaryMinMaxCurvatureFlowFunction_txx
#include "itkBinaryMinMaxCurvatureFlowFunction.h"
#include "vnl/vnl_math.h"
#include "itkNeighborhoodInnerProduct.h"
namespace itk {
/**
* Constructor
*/
template<class TImage>
BinaryMinMaxCurvatureFlowFunction<TImage>
::BinaryMinMaxCurvatureFlowFunction()
{
m_Threshold = 0.0;
}
/**
* Update the solution at pixels which does not lie on the
* data boundary.
*/
template<class TImage>
typename BinaryMinMaxCurvatureFlowFunction<TImage>::PixelType
BinaryMinMaxCurvatureFlowFunction<TImage>
::ComputeUpdate(const NeighborhoodType &it, void * globalData,
const FloatOffsetType& offset)
{
typedef CurvatureFlowFunction<TImage> CurvatureFlowFunctionType;
PixelType update = this->CurvatureFlowFunctionType::ComputeUpdate(
it, globalData, offset );
if ( update == 0.0 )
{
return update;
}
NeighborhoodInnerProduct<ImageType> innerProduct;
PixelType avgValue = innerProduct( it, this->m_StencilOperator );
if ( avgValue < m_Threshold )
{
return ( vnl_math_min( update, NumericTraits<PixelType>::Zero ) );
}
else
{
return ( vnl_math_max( update, NumericTraits<PixelType>::Zero ) );
}
}
} // end namespace itk
#endif
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