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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkKernelImageFilter.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 __itkKernelImageFilter_h
#define __itkKernelImageFilter_h
#include "itkBoxImageFilter.h"
#include "itkCastImageFilter.h"
#include "itkFlatStructuringElement.h"
namespace itk {
/**
* \class KernelImageFilter
* \brief A base class for all the filters working on an arbitrary shaped neighborhood
*
* This filter provides the code to store the radius information about the
* neighborhood used in the subclasses.
* It also conveniently reimplement the GenerateInputRequestedRegion() so
* that region is well defined for the porvided radius.
*
* \author Gaetan Lehmann
*/
template<class TInputImage, class TOutputImage, class TKernel/*=Neighborhood<bool, TInputImage::ImageDimension>*/ >
class ITK_EXPORT KernelImageFilter :
public BoxImageFilter<TInputImage, TOutputImage>
{
public:
/** Standard class typedefs. */
typedef KernelImageFilter Self;
typedef BoxImageFilter<TInputImage,TOutputImage> Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Standard New method. */
itkNewMacro(Self);
/** Runtime information support. */
itkTypeMacro(KernelImageFilter,
BoxImageFilter);
/** Image related typedefs. */
typedef TInputImage InputImageType;
typedef typename TInputImage::RegionType RegionType;
typedef typename TInputImage::SizeType SizeType;
typedef typename TInputImage::IndexType IndexType;
typedef typename TInputImage::OffsetType OffsetType;
typedef typename TInputImage::PixelType InputPixelType;
typedef TOutputImage OutputImageType;
typedef typename TOutputImage::PixelType OutputPixelType;
typedef TKernel KernelType;
/** Image related typedefs. */
itkStaticConstMacro(ImageDimension, unsigned int,
TInputImage::ImageDimension);
/** Kernel type used to create box kernel, in SetRadius() method */
typedef FlatStructuringElement< itkGetStaticConstMacro(ImageDimension) >
FlatKernelType;
/** n-dimensional Kernel radius. */
typedef typename TInputImage::SizeType RadiusType;
/** Set kernel (structuring element). */
virtual void SetKernel( const KernelType& kernel );
itkGetConstReferenceMacro(Kernel, KernelType);
/** Set the kernel to a box kernel of given radius. */
virtual void SetRadius( const RadiusType & radius );
virtual void SetRadius( const unsigned long & radius )
{
// needed because of the overloading of the method
Superclass::SetRadius( radius );
}
protected:
KernelImageFilter();
~KernelImageFilter() {};
void PrintSelf(std::ostream& os, Indent indent) const;
/** kernel or structuring element to use. */
KernelType m_Kernel;
private:
KernelImageFilter(const Self&); //purposely not implemented
void operator=(const Self&); //purposely not implemented
};
}
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkKernelImageFilter.txx"
#endif
#endif
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