/usr/include/InsightToolkit/Review/itkRobustAutomaticThresholdCalculator.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 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 | /*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkRobustAutomaticThresholdCalculator.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 __itkRobustAutomaticThresholdCalculator_txx
#define __itkRobustAutomaticThresholdCalculator_txx
#include "itkRobustAutomaticThresholdCalculator.h"
#include "itkImageRegionConstIteratorWithIndex.h"
#include "itkImageRegionConstIterator.h"
namespace itk
{
template < class TInputImage, class TGradientImage>
RobustAutomaticThresholdCalculator<TInputImage, TGradientImage>
::RobustAutomaticThresholdCalculator(void)
{
m_Valid = false;
m_Input = NULL;
m_Gradient = NULL;
m_Output = NumericTraits< InputPixelType >::Zero;
m_Pow = 1;
}
template < class TInputImage, class TGradientImage >
void
RobustAutomaticThresholdCalculator<TInputImage, TGradientImage>
::PrintSelf( std::ostream& os, Indent indent ) const
{
Superclass::PrintSelf(os,indent);
os << indent << "Input: " << m_Input.GetPointer() << std::endl;
os << indent << "Gradient: " << m_Gradient.GetPointer() << std::endl;
os << indent << "Valid: " << m_Valid << std::endl;
os << indent << "Pow: " << m_Pow << std::endl;
os << indent << "Output: " << m_Output << std::endl;
}
template < class TInputImage, class TGradientImage >
void
RobustAutomaticThresholdCalculator<TInputImage, TGradientImage>
::Compute()
{
typedef typename InputImageType::IndexType IndexType;
if( !m_Input || !m_Gradient )
{
return;
}
ImageRegionConstIteratorWithIndex< InputImageType > iIt( m_Input,
m_Input->GetRequestedRegion() );
iIt.GoToBegin();
ImageRegionConstIteratorWithIndex< GradientImageType > gIt( m_Gradient,
m_Gradient->GetRequestedRegion() );
gIt.GoToBegin();
// init the values
double n = 0;
double d = 0;
while( !iIt.IsAtEnd() )
{
double g = vcl_pow( static_cast<double>(gIt.Get()), m_Pow );
n += iIt.Get() * g;
d += g;
++iIt;
++gIt;
}
// std::cout << "n: " << n << " d: " << d << std::endl;
m_Output = static_cast< InputPixelType >( n / d );
m_Valid = true;
}
template < class TInputImage, class TGradientImage >
const typename RobustAutomaticThresholdCalculator<TInputImage, TGradientImage>::InputPixelType &
RobustAutomaticThresholdCalculator<TInputImage, TGradientImage>
::GetOutput() const
{
if (!m_Valid)
{
itkExceptionMacro( << "GetOutput() invoked, but the output have not been computed. Call Compute() first.");
}
return m_Output;
}
} // end namespace itk
#endif
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