itkScalarImageToCooccurrenceListSampleFilter.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkScalarImageToCooccurrenceListSampleFilter.h,v $
  Language:  C++
  Date:      $Date: 2009-05-02 05:43:58 $
  Version:   $Revision: 1.1 $

  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 __itkScalarImageToCooccurrenceListSampleFilter_h
#define __itkScalarImageToCooccurrenceListSampleFilter_h

#include <typeinfo>

#include "itkImage.h"
#include "itkPixelTraits.h"
#include "itkImageToListSampleFilter.h"
#include "itkSmartPointer.h"
#include "itkImageRegionIterator.h"
#include "itkShapedNeighborhoodIterator.h"
#include "itkNeighborhoodIterator.h"
#include "itkNeighborhoodAlgorithm.h"
#include "itkConstantBoundaryCondition.h"
#include "itkListSample.h"
#include "itkFixedArray.h"
#include "itkMacro.h"
#include "itkProcessObject.h"

#include <vector>
#include <algorithm>
#include <iostream>

namespace itk { 
namespace Statistics {

template < class TImage >
class ITK_EXPORT ScalarImageToCooccurrenceListSampleFilter
  : public ProcessObject
{
public:
  typedef TImage ImageType;

  typedef FixedArray< typename TImage::PixelType, 2 > MeasurementVectorType;

  typedef itk::Statistics::ListSample< MeasurementVectorType > SampleType;
  typedef typename SampleType::MeasurementVectorSizeType MeasurementVectorSizeType;

  typedef ScalarImageToCooccurrenceListSampleFilter Self;
  typedef ProcessObject                             Superclass;
  typedef SmartPointer< Self >                      Pointer;
  typedef SmartPointer<const Self>                  ConstPointer;

  typedef itk::ShapedNeighborhoodIterator< 
                  TImage , 
                  ConstantBoundaryCondition<TImage> 
                                       > ShapedNeighborhoodIteratorType;

  typedef typename ShapedNeighborhoodIteratorType::OffsetType OffsetType;
  typedef std::vector<OffsetType>                             OffsetTable;

  void UseNeighbor(const OffsetType & offset);

  void SetInput( const ImageType* image );
  const ImageType* GetInput() const;

  const SampleType * GetOutput() const;

  itkTypeMacro(ScalarImageToCooccurrenceListSampleFilter, ProcessObject);

  itkNewMacro(Self);

  itkStaticConstMacro(MeasurementVectorSize, unsigned int, 2);

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


protected:
  ScalarImageToCooccurrenceListSampleFilter();
  virtual ~ScalarImageToCooccurrenceListSampleFilter() {}
  void PrintSelf(std::ostream& os, Indent indent) const;  

  typedef DataObject::Pointer DataObjectPointer;
  virtual DataObjectPointer MakeOutput(unsigned int idx);

  virtual void GenerateData();


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

  OffsetTable                  m_OffsetTable;
}; // end of class ScalarImageToListSampleFilter

} // end of namespace Statistics
} // end of namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkScalarImageToCooccurrenceListSampleFilter.txx"
#endif

#endif

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