itkUnsharpMaskLevelSetImageFilter.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkUnsharpMaskLevelSetImageFilter.h,v $
  Language:  C++
  Date:      $Date: 2009-04-23 03:53:37 $
  Version:   $Revision: 1.7 $

  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 __itkUnsharpMaskLevelSetImageFilter_h
#define __itkUnsharpMaskLevelSetImageFilter_h

#include "itkLevelSetFunctionWithRefitTerm.h"
#include "itkSparseFieldFourthOrderLevelSetImageFilter.h"

namespace itk {

template <class TInputImage, class TOutputImage>
class ITK_EXPORT UnsharpMaskLevelSetImageFilter
  : public SparseFieldFourthOrderLevelSetImageFilter <TInputImage, TOutputImage>
{
public:

  typedef UnsharpMaskLevelSetImageFilter Self;
  typedef SparseFieldFourthOrderLevelSetImageFilter <TInputImage,TOutputImage>
                                         Superclass;
  typedef SmartPointer<Self>             Pointer;
  typedef SmartPointer<const Self>       ConstPointer;

  itkTypeMacro(UnsharpMaskLevelSetImageFilter,
               SparseFieldFourthOrderLevelSetImageFilter);

  itkNewMacro( Self );

  typedef typename Superclass::SparseImageType SparseImageType;

  typedef LevelSetFunctionWithRefitTerm <TOutputImage,SparseImageType> FunctionType;

  typedef typename FunctionType::RadiusType RadiusType;

  itkGetConstMacro(MaxFilterIteration,unsigned int);
  itkSetMacro(MaxFilterIteration,unsigned int);
  
protected:
  UnsharpMaskLevelSetImageFilter();
  ~UnsharpMaskLevelSetImageFilter() {};
  virtual void PrintSelf(std::ostream& os, Indent indent) const;
  
  typename FunctionType::Pointer m_Function;

  unsigned int m_MaxFilterIteration;

  virtual bool Halt()
    {
    if (this->GetElapsedIterations() == m_MaxFilterIteration)
      {
      return true;
      }
    else
      {
      return false;
      }
    }

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

} // end namespace itk

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

#endif