itkNarrowBandLevelSetImageFilter.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 itkNarrowBandLevelSetImageFilter_h
#define itkNarrowBandLevelSetImageFilter_h

#include "itkNarrowBandImageFilterBase.h"
#include "itkSegmentationLevelSetFunction.h"
#include "itkFastChamferDistanceImageFilter.h"
#include "itkIsoContourDistanceImageFilter.h"
#include "itkMath.h"

namespace itk
{
template< typename TInputImage,
          typename TFeatureImage,
          typename TOutputPixelType = float,
          typename TOutputImage = Image< TOutputPixelType,
                                      TInputImage::ImageDimension > >
class ITK_TEMPLATE_EXPORT NarrowBandLevelSetImageFilter:
  public NarrowBandImageFilterBase< TInputImage, TOutputImage >
{
public:

  typedef NarrowBandLevelSetImageFilter                          Self;
  typedef NarrowBandImageFilterBase< TInputImage, TOutputImage > Superclass;
  typedef SmartPointer< Self >                                   Pointer;
  typedef SmartPointer< const Self >                             ConstPointer;

  typedef typename Superclass::ValueType      ValueType;
  typedef typename Superclass::IndexType      IndexType;
  typedef typename Superclass::TimeStepType   TimeStepType;
  typedef typename Superclass::InputImageType InputImageType;

  typedef TOutputImage  OutputImageType;
  typedef TFeatureImage FeatureImageType;

  typedef SegmentationLevelSetFunction< OutputImageType, FeatureImageType >
  SegmentationFunctionType;

  typedef typename SegmentationFunctionType::VectorImageType VectorImageType;

  itkTypeMacro(NarrowBandLevelSetImageFilter, NarrowBandImageFilterBase);

  virtual void SetFeatureImage(const FeatureImageType *f)
  {
    this->ProcessObject::SetNthInput( 1, const_cast< FeatureImageType * >( f ) );
    m_SegmentationFunction->SetFeatureImage(f);
  }

  virtual FeatureImageType * GetFeatureImage()
  {
    return ( static_cast< FeatureImageType * >( this->ProcessObject::GetInput(1) ) );
  }

  virtual void SetInitialImage(InputImageType *f)
  {
    this->SetInput(f);
  }

  virtual const typename SegmentationFunctionType::ImageType * GetSpeedImage() const
  { return m_SegmentationFunction->GetSpeedImage(); }

  virtual const typename SegmentationFunctionType::VectorImageType * GetAdvectionImage() const
  { return m_SegmentationFunction->GetAdvectionImage(); }

  void SetUseNegativeFeaturesOn()
  {
    itkWarningMacro(
      << "SetUseNegativeFeaturesOn has been deprecated.  Please use ReverseExpansionDirectionOn() instead");
    this->ReverseExpansionDirectionOn();
  }

  void SetUseNegativeFeaturesOff()
  {
    itkWarningMacro(
      << "SetUseNegativeFeaturesOff has been deprecated.  Please use ReverseExpansionDirectionOff() instead");
    this->ReverseExpansionDirectionOff();
  }

  void SetUseNegativeFeatures(bool u)
  {
    itkWarningMacro(<< "SetUseNegativeFeatures has been deprecated.  Please use SetReverseExpansionDirection instead");
    if ( u == true )
      {
      this->SetReverseExpansionDirection(false);
      }
    else
      {
      this->SetReverseExpansionDirection(true);
      }
  }

  bool GetUseNegativeFeatures() const
  {
    itkWarningMacro(<< "GetUseNegativeFeatures has been deprecated.  Please use GetReverseExpansionDirection() instead");
    if ( this->GetReverseExpansionDirection() == false )
      {
      return true;
      }
    else
      {
      return false;
      }
  }

  itkSetMacro(ReverseExpansionDirection, bool);
  itkGetConstMacro(ReverseExpansionDirection, bool);
  itkBooleanMacro(ReverseExpansionDirection);

  void SetFeatureScaling(ValueType v)
  {
    if ( v != m_SegmentationFunction->GetPropagationWeight() )
      {
      this->SetPropagationScaling(v);
      }
    if ( v != m_SegmentationFunction->GetAdvectionWeight() )
      {
      this->SetAdvectionScaling(v);
      }
  }

  void SetPropagationScaling(ValueType v)
  {
    if ( Math::NotExactlyEquals(v, m_SegmentationFunction->GetPropagationWeight()) )
      {
      m_SegmentationFunction->SetPropagationWeight(v);
      }
  }

  ValueType GetPropagationScaling() const
  {
    return m_SegmentationFunction->GetPropagationWeight();
  }

  void SetAdvectionScaling(ValueType v)
  {
    if ( Math::NotExactlyEquals(v, m_SegmentationFunction->GetAdvectionWeight()) )
      {
      m_SegmentationFunction->SetAdvectionWeight(v);
      }
  }

  ValueType GetAdvectionScaling() const
  {
    return m_SegmentationFunction->GetAdvectionWeight();
  }

  void SetCurvatureScaling(ValueType v)
  {
    if ( Math::NotExactlyEquals(v, m_SegmentationFunction->GetCurvatureWeight()) )
      {
      m_SegmentationFunction->SetCurvatureWeight(v);
      }
  }

  ValueType GetCurvatureScaling() const
  {
    return m_SegmentationFunction->GetCurvatureWeight();
  }

  virtual void SetSegmentationFunction(SegmentationFunctionType *s);

  virtual SegmentationFunctionType * GetSegmentationFunction()
  { return m_SegmentationFunction; }

  void SetMaximumIterations(unsigned int i)
  {
    itkWarningMacro("SetMaximumIterations is deprecated.  Please use SetNumberOfIterations instead.");
    this->SetNumberOfIterations(i);
  }

  unsigned int GetMaximumIterations()
  {
    itkWarningMacro("GetMaximumIterations is deprecated. Please use GetNumberOfIterations instead.");
    return this->GetNumberOfIterations();
  }

  virtual void SetMaximumRMSError(const double) ITK_OVERRIDE
  {
    itkWarningMacro(
      "The current implmentation of this solver does not compute maximum RMS change. The maximum RMS error value will not be set or used.");
  }

#ifdef ITK_USE_CONCEPT_CHECKING
  // Begin concept checking
  itkConceptMacro( OutputHasNumericTraitsCheck,
                   ( Concept::HasNumericTraits< typename TOutputImage::PixelType > ) );
  // End concept checking
#endif

protected:
  virtual ~NarrowBandLevelSetImageFilter() ITK_OVERRIDE {}
  NarrowBandLevelSetImageFilter();

  virtual void PrintSelf(std::ostream & os, Indent indent) const ITK_OVERRIDE;


  virtual void InitializeIteration() ITK_OVERRIDE
  {
    Superclass::InitializeIteration();
    // Estimate the progress of the filter
    this->UpdateProgress( (float)( (float)this->GetElapsedIterations()
                                / (float)this->GetNumberOfIterations() ) );
  }

  virtual void CreateNarrowBand() ITK_OVERRIDE;

  void GenerateData() ITK_OVERRIDE;

  bool m_ReverseExpansionDirection;

  typedef IsoContourDistanceImageFilter< OutputImageType, OutputImageType >
  IsoFilterType;
  typedef FastChamferDistanceImageFilter< OutputImageType, OutputImageType >
  ChamferFilterType;

  typename IsoFilterType::Pointer m_IsoFilter;

  typename ChamferFilterType::Pointer m_ChamferFilter;

private:
  ITK_DISALLOW_COPY_AND_ASSIGN(NarrowBandLevelSetImageFilter);

  SegmentationFunctionType *m_SegmentationFunction;
};
} // end namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkNarrowBandLevelSetImageFilter.hxx"
#endif

#endif