itkUnsharpMaskLevelSetImageFilter.h

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/*=========================================================================
 *
 *  Copyright Insight Software Consortium
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0.txt
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *=========================================================================*/
#ifndef __itkUnsharpMaskLevelSetImageFilter_h
#define __itkUnsharpMaskLevelSetImageFilter_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.hxx"
#endif

#endif