itkMaskedRankImageFilter.h

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/*=========================================================================

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkMaskedRankImageFilter.h,v $
  Language:  C++
  Date:      $Date: 2008-08-09 12:09:54 $
  Version:   $Revision: 1.3 $

  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 __itkMaskedRankImageFilter_h
#define __itkMaskedRankImageFilter_h

#include "itkMaskedMovingHistogramImageFilter.h"
#include <list>
#include <map>
#include <set>
#include "itkMaskedRankHistogram.h"
#include "itkFlatStructuringElement.h"

namespace itk {

template<class TInputImage, class TMaskImage, class TOutputImage, class TKernel=FlatStructuringElement< ::itk::GetImageDimension<TInputImage>::ImageDimension > >
class ITK_EXPORT MaskedRankImageFilter : 
    public MaskedMovingHistogramImageFilter<TInputImage, TMaskImage, TOutputImage, TKernel, MaskedRankHistogram< ITK_TYPENAME TInputImage::PixelType > >
{
public:
  typedef MaskedRankImageFilter                      Self;
  typedef MaskedMovingHistogramImageFilter<TInputImage, TMaskImage, TOutputImage, TKernel, MaskedRankHistogram< typename TInputImage::PixelType > >
                                                     Superclass;
  typedef SmartPointer<Self>                         Pointer;
  typedef SmartPointer<const Self>                   ConstPointer;

  itkNewMacro(Self);  

  itkTypeMacro(MaskedRankImageFilter, 
               MovingHistogramImageFilter);

  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 typename TOutputImage::PixelType           OutputPixelType;
  typedef typename TInputImage::PixelType            InputPixelType;

  itkStaticConstMacro(ImageDimension, unsigned int,
                      TInputImage::ImageDimension);

  typedef TKernel KernelType;

  typedef typename KernelType::ConstIterator         KernelIteratorType;

  typedef typename KernelType::SizeType              RadiusType;

  itkSetMacro(Rank, float)
  itkGetMacro(Rank, float)

protected:
  MaskedRankImageFilter();
  ~MaskedRankImageFilter() {};

  typedef MaskedRankHistogram<InputPixelType>        HistogramType;
  
  typedef MaskedRankHistogramVec<InputPixelType, std::less< InputPixelType> > VHistogram;
  typedef MaskedRankHistogramMap<InputPixelType, std::less< InputPixelType>  > MHistogram;
  
  void PrintSelf(std::ostream& os, Indent indent) const;
  
  bool useVectorBasedHistogram()
    {
    // bool, short and char are acceptable for vector based algorithm: they do not require
    // too much memory. Other types are not usable with that algorithm
    return typeid(InputPixelType) == typeid(unsigned char)
      || typeid(InputPixelType) == typeid(signed char)
//       || typeid(InputPixelType) == typeid(unsigned short)
//       || typeid(InputPixelType) == typeid(signed short)
      || typeid(InputPixelType) == typeid(bool);
    }


  virtual HistogramType * NewHistogram();

private:
  MaskedRankImageFilter(const Self&); //purposely not implemented
  void operator=(const Self&); //purposely not implemented

  float m_Rank;

}; // end of class

} // end namespace itk
  
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkMaskedRankImageFilter.txx"
#endif

#endif

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