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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkFastApproximateRankImageFilter.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 __itkFastApproximateRankImageFilter_h
#define __itkFastApproximateRankImageFilter_h
#include "itkMiniPipelineSeparableImageFilter.h"
#include "itkRankImageFilter.h"
namespace itk {
/**
* \class FastApproximateRankImageFilter
* \brief A separable rank filter
*
* Medians aren't separable, but if you want a large robust smoother
* to be relatively quick then it is worthwhile pretending that they
* are.
*
* \author Richard Beare
*/
template<class TInputImage, class TOutputImage>
class ITK_EXPORT FastApproximateRankImageFilter :
public MiniPipelineSeparableImageFilter<TInputImage, TOutputImage,
RankImageFilter<TInputImage, TInputImage,
FlatStructuringElement< ::itk::GetImageDimension<TInputImage>::ImageDimension > > >
{
public:
/** Standard class typedefs. */
typedef FastApproximateRankImageFilter Self;
typedef MiniPipelineSeparableImageFilter<TInputImage, TOutputImage, RankImageFilter<TInputImage, TInputImage, FlatStructuringElement< ::itk::GetImageDimension<TInputImage>::ImageDimension > > >
Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Standard New method. */
itkNewMacro(Self);
/** Runtime information support. */
itkTypeMacro(FastApproximateRankImageFilter,
MiniPipelineSeparableImageFilter);
/** Image related typedefs. */
typedef TInputImage InputImageType;
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::FilterType FilterType;
/** Image related typedefs. */
itkStaticConstMacro(ImageDimension, unsigned int,
TInputImage::ImageDimension);
/** n-dimensional Kernel radius. */
typedef typename TInputImage::SizeType RadiusType;
void SetRank( float rank )
{
if( m_Rank != rank )
{
m_Rank = rank;
for (unsigned i = 0; i < TInputImage::ImageDimension - 1; i++)
{
this->m_Filters[i]->SetRank( m_Rank );
}
this->Modified();
}
}
itkGetConstMacro(Rank, float);
protected:
FastApproximateRankImageFilter()
{
// to avoid valgrind warning
m_Rank = 0.0;
this->SetRank( 0.5 );
}
~FastApproximateRankImageFilter() {}
void PrintSelf(std::ostream &os, Indent indent) const
{
Superclass::PrintSelf(os, indent);
os << indent << "Rank: " << m_Rank << std::endl;
}
private:
FastApproximateRankImageFilter(const Self&); //purposely not implemented
void operator=(const Self&); //purposely not implemented
float m_Rank;
};
}
#endif
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