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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkSumProjectionImageFilter.h,v $
Language: C++
Date: $Date: 2008-02-08 04:52:21 $
Version: $Revision: 1.1 $
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 __itkSumProjectionImageFilter_h
#define __itkSumProjectionImageFilter_h
#include "itkProjectionImageFilter.h"
#include "itkNumericTraits.h"
#include "itkConceptChecking.h"
namespace itk {
/** \class SumProjectionImageFilter
* \brief Sum projection
*
* This class was contributed to the Insight Journal by Gaetan Lehmann.
* The original paper can be found at
* http://insight-journal.org/midas/handle.php?handle=1926/164
*
* \author Gaetan Lehmann. Biologie du Dveloppement et de la Reproduction
* , INRA de Jouy-en-Josas, France.
*
* \sa ProjectionImageFilter
* \sa MedianProjectionImageFilter
* \sa MeanProjectionImageFilter
* \sa MeanProjectionImageFilter
* \sa MaximumProjectionImageFilter
* \sa MinimumProjectionImageFilter
* \sa BinaryProjectionImageFilter
* \sa StandardDeviationProjectionImageFilter
*/
namespace Function {
template <class TInputPixel, class TOuputPixel>
class SumAccumulator
{
public:
SumAccumulator( unsigned long ) {}
~SumAccumulator(){}
inline void Initialize()
{
m_Sum = NumericTraits< TOuputPixel >::Zero;
}
inline TInputPixel operator()( const TInputPixel &input )
{
m_Sum = m_Sum + input;
return m_Sum;
}
inline TOuputPixel GetValue()
{
return m_Sum;
}
TOuputPixel m_Sum;
};
} // end namespace Function
template <class TInputImage, class TOutputImage>
class ITK_EXPORT SumProjectionImageFilter :
public
ProjectionImageFilter<TInputImage, TOutputImage,
Function::SumAccumulator<
typename TInputImage::PixelType, typename TOutputImage::PixelType > >
{
public:
typedef SumProjectionImageFilter Self;
typedef ProjectionImageFilter<TInputImage, TOutputImage,
Function::SumAccumulator<
typename TInputImage::PixelType,
typename TOutputImage::PixelType > > Superclass;
typedef TInputImage InputImageType;
typedef typename InputImageType::PixelType InputPixelType;
typedef TOutputImage OutputImageType;
typedef typename OutputImageType::PixelType OutputPixelType;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Runtime information support. */
itkTypeMacro(SumProjectionImageFilter, ProjectionImageFilter);
/** Method for creation through the object factory. */
itkNewMacro(Self);
#ifdef ITK_USE_CONCEPT_CHECKING
/** Begin concept checking */
itkConceptMacro(InputPixelToOutputPixelTypeGreaterAdditiveOperatorCheck,
(Concept::AdditiveOperators<OutputPixelType,
InputPixelType,
OutputPixelType>));
itkConceptMacro(InputHasNumericTraitsCheck,
(Concept::HasNumericTraits<InputPixelType>));
/** End concept checking */
#endif
protected:
SumProjectionImageFilter() {}
virtual ~SumProjectionImageFilter() {}
private:
SumProjectionImageFilter(const Self&); //purposely not implemented
void operator=(const Self&); //purposely not implemented
}; // end SumProjectionImageFilter
} //end namespace itk
#endif
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