itkNormalizedCorrelationImageFilter.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkNormalizedCorrelationImageFilter.h,v $
  Language:  C++
  Date:      $Date: 2005/05/13 12:11:12 $
  Version:   $Revision: 1.2 $

  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 __itkNormalizedCorrelationImageFilter_h
#define __itkNormalizedCorrelationImageFilter_h

#include "itkNeighborhoodOperatorImageFilter.h"

namespace itk
{
template <class TInputImage, class TMaskImage, class TOutputImage, class TOperatorValueType=ITK_TYPENAME TOutputImage::PixelType>
class ITK_EXPORT NormalizedCorrelationImageFilter :
    public NeighborhoodOperatorImageFilter< TInputImage, TOutputImage, TOperatorValueType > 
{
public:
  typedef NormalizedCorrelationImageFilter Self;
  typedef NeighborhoodOperatorImageFilter< TInputImage, TOutputImage, TOperatorValueType > Superclass;
  typedef SmartPointer<Self> Pointer;
  typedef SmartPointer<const Self> ConstPointer;

  itkNewMacro(Self);

  itkTypeMacro(NormalizedCorrelationImageFilter, NeighborhoodOperatorImageFilter);
  
  typedef typename TOutputImage::PixelType         OutputPixelType;
  typedef typename TOutputImage::InternalPixelType OutputInternalPixelType;
  typedef typename  TInputImage::PixelType         InputPixelType;
  typedef typename  TInputImage::InternalPixelType InputInternalPixelType;
  typedef typename   TMaskImage::PixelType         MaskPixelType;
  typedef typename   TMaskImage::InternalPixelType MaskInternalPixelType;

  itkStaticConstMacro(ImageDimension, unsigned int,
                      TOutputImage::ImageDimension);
  
  typedef TInputImage  InputImageType;
  typedef TMaskImage   MaskImageType;
  typedef TOutputImage OutputImageType;
  typedef typename InputImageType::Pointer InputImagePointer;
  typedef typename MaskImageType::Pointer MaskImagePointer;
  
  typedef ImageBoundaryCondition<OutputImageType> *
  ImageBoundaryConditionPointerType;

  typedef typename Superclass::OutputImageRegionType OutputImageRegionType;
  typedef typename Superclass::OperatorValueType         OperatorValueType;

  typedef typename Superclass::OutputNeighborhoodType OutputNeighborhoodType;

  void SetMaskImage( const TMaskImage* mask);

  const TMaskImage* GetMaskImage() const;
  
  void SetTemplate(const OutputNeighborhoodType &t)
  {
    this->SetOperator(t);
  }

protected:
  NormalizedCorrelationImageFilter() {}
  virtual ~NormalizedCorrelationImageFilter() {}
    
  void GenerateInputRequestedRegion() throw (InvalidRequestedRegionError);

  void ThreadedGenerateData(const OutputImageRegionType& outputRegionForThread,
                            int threadId );

  void PrintSelf(std::ostream& os, Indent indent) const
    {  Superclass::PrintSelf(os, indent); }
  
private:
  NormalizedCorrelationImageFilter(const Self&); //purposely not implemented
  void operator=(const Self&); //purposely not implemented

};
  
} // end namespace itk

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

#endif

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