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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkOptMorphologicalGradientImageFilter.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 __itkOptMorphologicalGradientImageFilter_h
#define __itkOptMorphologicalGradientImageFilter_h
#include "itkKernelImageFilter.h"
#include "itkMovingHistogramMorphologicalGradientImageFilter.h"
#include "itkBasicDilateImageFilter.h"
#include "itkBasicErodeImageFilter.h"
#include "itkAnchorErodeImageFilter.h"
#include "itkAnchorDilateImageFilter.h"
#include "itkVanHerkGilWermanDilateImageFilter.h"
#include "itkVanHerkGilWermanErodeImageFilter.h"
#include "itkSubtractImageFilter.h"
#include "itkConstantBoundaryCondition.h"
#include "itkFlatStructuringElement.h"
#include "itkNeighborhood.h"
namespace itk {
/**
* \class MorphologicalGradientImageFilter
* \brief gray scale dilation of an image
*
* Dilate an image using grayscale morphology. Dilation takes the
* maximum of all the pixels identified by the structuring element.
*
* The structuring element is assumed to be composed of binary
* values (zero or one). Only elements of the structuring element
* having values > 0 are candidates for affecting the center pixel.
*
* \sa MorphologyImageFilter, GrayscaleFunctionDilateImageFilter, BinaryDilateImageFilter
* \ingroup ImageEnhancement MathematicalMorphologyImageFilters
*/
template<class TInputImage, class TOutputImage, class TKernel>
class ITK_EXPORT MorphologicalGradientImageFilter :
public KernelImageFilter<TInputImage, TOutputImage, TKernel>
{
public:
/** Standard class typedefs. */
typedef MorphologicalGradientImageFilter Self;
typedef KernelImageFilter<TInputImage,TOutputImage, TKernel> Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Standard New method. */
itkNewMacro(Self);
/** Runtime information support. */
itkTypeMacro(MorphologicalGradientImageFilter,
KernelImageFilter);
/** Image related typedefs. */
itkStaticConstMacro(ImageDimension, unsigned int,
TInputImage::ImageDimension);
/** Image related typedefs. */
typedef TInputImage InputImageType;
typedef TOutputImage OutputImageType;
typedef typename TInputImage::RegionType RegionType;
typedef typename TInputImage::SizeType SizeType;
typedef typename TInputImage::IndexType IndexType;
typedef typename TInputImage::PixelType PixelType;
typedef typename TInputImage::OffsetType OffsetType;
typedef typename Superclass::OutputImageRegionType OutputImageRegionType;
typedef FlatStructuringElement< itkGetStaticConstMacro(ImageDimension) >
FlatKernelType;
typedef MovingHistogramMorphologicalGradientImageFilter< TInputImage, TOutputImage, TKernel >
HistogramFilterType;
typedef BasicDilateImageFilter< TInputImage, TInputImage, TKernel >
BasicDilateFilterType;
typedef BasicErodeImageFilter< TInputImage, TInputImage, TKernel >
BasicErodeFilterType;
typedef AnchorDilateImageFilter< TInputImage, FlatKernelType >
AnchorDilateFilterType;
typedef AnchorErodeImageFilter< TInputImage, FlatKernelType > AnchorErodeFilterType;
typedef VanHerkGilWermanDilateImageFilter< TInputImage, FlatKernelType >
VHGWDilateFilterType;
typedef VanHerkGilWermanErodeImageFilter< TInputImage, FlatKernelType >
VHGWErodeFilterType;
typedef SubtractImageFilter< TInputImage, TInputImage, TOutputImage >
SubtractFilterType;
/** Kernel typedef. */
typedef TKernel KernelType;
// typedef typename KernelType::Superclass KernelSuperClass;
// typedef Neighborhood< typename KernelType::PixelType, ImageDimension > KernelSuperClass;
/** Set kernel (structuring element). */
void SetKernel( const KernelType& kernel );
/** Set/Get the backend filter class. */
void SetAlgorithm(int algo );
itkGetConstMacro(Algorithm, int);
/** MorphologicalGradientImageFilter need to set its internal filters as modified */
virtual void Modified() const;
/** define values used to determine which algorithm to use */
enum {
BASIC = 0,
HISTO = 1,
ANCHOR = 2,
VHGW = 3
} AlgorithmChoice;
protected:
MorphologicalGradientImageFilter();
~MorphologicalGradientImageFilter() {};
void PrintSelf(std::ostream& os, Indent indent) const;
void GenerateData();
private:
MorphologicalGradientImageFilter(const Self&); //purposely not implemented
void operator=(const Self&); //purposely not implemented
// the filters used internally
typename HistogramFilterType::Pointer m_HistogramFilter;
typename BasicDilateFilterType::Pointer m_BasicDilateFilter;
typename BasicErodeFilterType::Pointer m_BasicErodeFilter;
typename AnchorDilateFilterType::Pointer m_AnchorDilateFilter;
typename AnchorErodeFilterType::Pointer m_AnchorErodeFilter;
typename VHGWDilateFilterType::Pointer m_VanHerkGilWermanDilateFilter;
typename VHGWErodeFilterType::Pointer m_VanHerkGilWermanErodeFilter;
// and the name of the filter
int m_Algorithm;
}; // end of class
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkOptMorphologicalGradientImageFilter.txx"
#endif
#endif
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