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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkGrayscaleMorphologicalClosingImageFilter.h,v $
Language: C++
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 __itkGrayscaleMorphologicalClosingImageFilter_h
#define __itkGrayscaleMorphologicalClosingImageFilter_h
#include "itkImageToImageFilter.h"
namespace itk {
/**
* \class GrayscaleMorphologicalClosingImageFilter
* \brief gray scale morphological closing of an image.
*
* This filter removes small (i.e., smaller than the structuring
* element)holes and tube like structures in the interior or at the
* boundaries of the image. The morphological closing of an image
* "f" is defined as:
* Closing(f) = Erosion(Dilation(f)).
*
* 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.
*
*
* \author Lino Ramirez. Dept. of Electrical and Computer Engineering. University of Alberta. Canada
*
* \sa MorphologyImageFilter, GrayscaleDilateImageFilter, GrayscaleErodeImageFilter
* \ingroup ImageEnhancement MathematicalMorphologyImageFilters
*/
template<class TInputImage, class TOutputImage, class TKernel>
class ITK_EXPORT GrayscaleMorphologicalClosingImageFilter :
public ImageToImageFilter<TInputImage, TOutputImage>
{
public:
/** Standard class typedefs. */
typedef GrayscaleMorphologicalClosingImageFilter Self;
typedef ImageToImageFilter<TInputImage, TOutputImage> Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Standard New method. */
itkNewMacro(Self);
/** Runtime information support. */
itkTypeMacro(GrayscaleMorphologicalClosingImageFilter,
ImageToImageFilter);
typedef TInputImage InputImageType;
typedef TOutputImage OutputImageType;
typedef typename InputImageType::Pointer InputImagePointer;
typedef typename OutputImageType::RegionType OutputImageRegionType;
/** Declaration of pixel type. */
typedef typename TInputImage::PixelType PixelType ;
/** Kernel typedef. */
typedef TKernel KernelType;
/** Set kernel (structuring element). */
itkSetMacro(Kernel, KernelType);
/** Get the kernel (structuring element). */
itkGetConstReferenceMacro(Kernel, KernelType);
/** ImageDimension constants */
itkStaticConstMacro(InputImageDimension, unsigned int,
TInputImage::ImageDimension);
itkStaticConstMacro(OutputImageDimension, unsigned int,
TOutputImage::ImageDimension);
itkStaticConstMacro(KernelDimension, unsigned int,
TKernel::NeighborhoodDimension);
#ifdef ITK_USE_CONCEPT_CHECKING
/** Begin concept checking */
itkConceptMacro(SameTypeCheck,
(Concept::SameType<PixelType, typename TOutputImage::PixelType>));
itkConceptMacro(SameDimensionCheck1,
(Concept::SameDimension<InputImageDimension, OutputImageDimension>));
itkConceptMacro(SameDimensionCheck2,
(Concept::SameDimension<InputImageDimension, KernelDimension>));
itkConceptMacro(InputLessThanComparableCheck,
(Concept::LessThanComparable<PixelType>));
itkConceptMacro(InputGreaterThanComparableCheck,
(Concept::GreaterThanComparable<PixelType>));
itkConceptMacro(KernelGreaterThanIntCheck,
(Concept::GreaterThanComparable<typename TKernel::PixelType, int>));
/** End concept checking */
#endif
protected:
GrayscaleMorphologicalClosingImageFilter();
~GrayscaleMorphologicalClosingImageFilter() {};
void PrintSelf(std::ostream& os, Indent indent) const;
/** GrayscaleMorphologicalClosingImageFilter needs the entire input be
* available. Thus, it needs to provide an implementation of
* GenerateInputRequestedRegion(). */
void GenerateInputRequestedRegion() ;
/** GrayscaleMorphologicalClosingImageFilter will produce the entire output. */
void EnlargeOutputRequestedRegion(DataObject *itkNotUsed(output));
/** Single-threaded version of GenerateData. This filter delegates
* to GrayscaleDilateImageFilter GrayscaleErodeImageFilter. */
void GenerateData ();
private:
GrayscaleMorphologicalClosingImageFilter(const Self&); //purposely not implemented
void operator=(const Self&); //purposely not implemented
/** kernel or structuring element to use. */
KernelType m_Kernel ;
} ; // end of class
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkGrayscaleMorphologicalClosingImageFilter.txx"
#endif
#endif
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