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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkRegionalMinimaImageFilter.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 __itkRegionalMinimaImageFilter_h
#define __itkRegionalMinimaImageFilter_h
#include "itkImageToImageFilter.h"
#include "itkConceptChecking.h"
namespace itk {
/** \class RegionalMinimaImageFilter
* \brief Produce a binary image where foreground is the regional minima of the
* input image
*
* Regional minima are flat zones surounded by pixels of greater value.
*
* If the input image is constant, the entire image can be considered as a
* minima or not. The SetFlatIsMinima() method let the user choose which
* behavior to use.
*
* This class was contribtued to the Insight Journal by
* \author Gaetan Lehmann. Biologie du Developpement et de la Reproduction,
* INRA de Jouy-en-Josas, France.
* http://insight-journal.org/midas/handle.php?handle=1926/153
*
*
* \sa ValuedRegionalMinimaImageFilter, HConcaveImageFilter,
* RegionalMaximaImageFilter \ingroup ImageEnhancement
* MathematicalMorphologyImageFilters
*/
template<class TInputImage, class TOutputImage>
class ITK_EXPORT RegionalMinimaImageFilter :
public ImageToImageFilter<TInputImage, TOutputImage>
{
public:
/** Standard class typedefs. */
typedef RegionalMinimaImageFilter Self;
typedef ImageToImageFilter<TInputImage, TOutputImage> Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Some convenient typedefs. */
typedef TInputImage InputImageType;
typedef TOutputImage OutputImageType;
typedef typename InputImageType::Pointer InputImagePointer;
typedef typename InputImageType::ConstPointer InputImageConstPointer;
typedef typename InputImageType::RegionType InputImageRegionType;
typedef typename InputImageType::PixelType InputImagePixelType;
typedef typename OutputImageType::Pointer OutputImagePointer;
typedef typename OutputImageType::ConstPointer OutputImageConstPointer;
typedef typename OutputImageType::RegionType OutputImageRegionType;
typedef typename OutputImageType::PixelType OutputImagePixelType;
/** ImageDimension constants */
itkStaticConstMacro(InputImageDimension, unsigned int,
TInputImage::ImageDimension);
itkStaticConstMacro(OutputImageDimension, unsigned int,
TOutputImage::ImageDimension);
/** Standard New method. */
itkNewMacro(Self);
/** Runtime information support. */
itkTypeMacro(RegionalMinimaImageFilter,
ImageToImageFilter);
/**
* Set/Get whether the connected components are defined strictly by
* face connectivity or by face+edge+vertex connectivity. Default is
* FullyConnectedOff. For objects that are 1 pixel wide, use
* FullyConnectedOn.
*/
itkSetMacro(FullyConnected, bool);
itkGetConstReferenceMacro(FullyConnected, bool);
itkBooleanMacro(FullyConnected);
/**
* Set/Get the value in the output image to consider as "foreground".
* Defaults to maximum value of PixelType.
*/
itkSetMacro(ForegroundValue, OutputImagePixelType);
itkGetConstMacro(ForegroundValue, OutputImagePixelType);
/**
* Set/Get the value used as "background" in the output image.
* Defaults to NumericTraits<PixelType>::NonpositiveMin().
*/
itkSetMacro(BackgroundValue, OutputImagePixelType);
itkGetConstMacro(BackgroundValue, OutputImagePixelType);
/**
* Set/Get wether a flat image must be considered as a minima or not.
* Defaults to true.
*/
itkSetMacro(FlatIsMinima, bool);
itkGetConstMacro(FlatIsMinima, bool);
itkBooleanMacro(FlatIsMinima);
#ifdef ITK_USE_CONCEPT_CHECKING
/** Begin concept checking */
itkConceptMacro(InputHasPixelTraitsCheck,
(Concept::HasPixelTraits<InputImagePixelType>));
itkConceptMacro(InputHasNumericTraitsCheck,
(Concept::HasNumericTraits<InputImagePixelType>));
/** End concept checking */
#endif
protected:
RegionalMinimaImageFilter();
~RegionalMinimaImageFilter() {};
void PrintSelf(std::ostream& os, Indent indent) const;
/** RegionalMinimaImageFilter needs the entire input be
* available. Thus, it needs to provide an implementation of
* GenerateInputRequestedRegion(). */
void GenerateInputRequestedRegion();
/** RegionalMinimaImageFilter will produce the entire output. */
void EnlargeOutputRequestedRegion(DataObject *itkNotUsed(output));
/** Single-threaded version of GenerateData. This filter delegates
* to GrayscaleGeodesicErodeImageFilter. */
void GenerateData();
private:
RegionalMinimaImageFilter(const Self&); //purposely not implemented
void operator=(const Self&); //purposely not implemented
bool m_FullyConnected;
bool m_FlatIsMinima;
OutputImagePixelType m_ForegroundValue;
OutputImagePixelType m_BackgroundValue;
}; // end of class
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkRegionalMinimaImageFilter.txx"
#endif
#endif
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