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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkValuedRegionalMaximaImageFilter.h
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 __itkValuedRegionalMaximaImageFilter_h
#define __itkValuedRegionalMaximaImageFilter_h
#include "itkValuedRegionalExtremaImageFilter.h"
#include "itkNumericTraits.h"
#include "itkConceptChecking.h"
namespace itk {
/** \class ValuedRegionalMaximaImageFilter
* \brief Transforms the image so that any pixel that is not a
* regional maxima is set to the minimum value for the pixel
* type. Pixels that are regional maxima retain their value.
*
* Regional maxima are flat zones surrounded by pixels of lower
* value. A completely flat image will be marked as a regional maxima
* by this filter.
*
* This code was contributed to the Insight Journal by
* \author Richard Beare. Department of Medicine, Monash University,
* Melbourne, Australia.
* http://insight-journal.org/midas/handle.php?handle=1926/153
*
* \sa ValuedRegionalMinimaImageFilter
* \sa ValuedRegionalExtremaImageFilter
* \sa HMinimaImageFilter
*
* \ingroup MathematicalMorphologyImageFilters
*/
template <class TInputImage, class TOutputImage>
class ITK_EXPORT ValuedRegionalMaximaImageFilter :
public
ValuedRegionalExtremaImageFilter<TInputImage, TOutputImage,
std::greater<typename TInputImage::PixelType>,
std::greater<typename TOutputImage::PixelType> >
{
public:
typedef ValuedRegionalMaximaImageFilter Self;
typedef ValuedRegionalExtremaImageFilter<TInputImage, TOutputImage,
std::greater<typename TInputImage::PixelType>,
std::greater<typename TOutputImage::PixelType> > Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
typedef TInputImage InputImageType;
typedef typename InputImageType::PixelType InputImagePixelType;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Runtime information support. */
itkTypeMacro(ValuedRegionalMaximaImageFilter,
ValuedRegionalExtremaImageFilter);
#ifdef ITK_USE_CONCEPT_CHECKING
/** Begin concept checking */
itkConceptMacro(InputPixelTypeComparable,
(Concept::GreaterThanComparable<InputImagePixelType>));
itkConceptMacro(InputHasPixelTraitsCheck,
(Concept::HasPixelTraits<InputImagePixelType>));
itkConceptMacro(InputHasNumericTraitsCheck,
(Concept::HasNumericTraits<InputImagePixelType>));
/** End concept checking */
#endif
protected:
ValuedRegionalMaximaImageFilter()
{
this->SetMarkerValue(
NumericTraits<ITK_TYPENAME TOutputImage::PixelType>::NonpositiveMin());
}
virtual ~ValuedRegionalMaximaImageFilter() {}
private:
ValuedRegionalMaximaImageFilter(const Self&); //purposely not implemented
void operator=(const Self&); //purposely not implemented
}; // end ValuedRegionalMaximaImageFilter
} //end namespace itk
#endif
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