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itkGeodesicActiveContourShapePriorLevelSetFunction.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkGeodesicActiveContourShapePriorLevelSetFunction.h,v $
00005   Language:  C++
00006   Date:      $Date: 2008-10-24 08:14:12 $
00007   Version:   $Revision: 1.4 $
00008 
00009   Copyright (c) Insight Software Consortium. All rights reserved.
00010   See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
00011 
00012      This software is distributed WITHOUT ANY WARRANTY; without even 
00013      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
00014      PURPOSE.  See the above copyright notices for more information.
00015 
00016 =========================================================================*/
00017 #ifndef __itkGeodesicActiveContourShapePriorLevelSetFunction_h_
00018 #define __itkGeodesicActiveContourShapePriorLevelSetFunction_h_
00019 
00020 #include "itkShapePriorSegmentationLevelSetFunction.h"
00021 
00022 namespace itk {
00023 
00090 template <class TImageType, class TFeatureImageType = TImageType>
00091 class ITK_EXPORT GeodesicActiveContourShapePriorLevelSetFunction
00092   : public ShapePriorSegmentationLevelSetFunction<TImageType, TFeatureImageType>
00093 {
00094 public:
00096   typedef GeodesicActiveContourShapePriorLevelSetFunction Self;
00097   typedef ShapePriorSegmentationLevelSetFunction<TImageType,TFeatureImageType> Superclass;
00098   typedef SmartPointer<Self> Pointer;
00099   typedef SmartPointer<const Self> ConstPointer;
00100   typedef TFeatureImageType FeatureImageType;
00101 
00103   itkNewMacro(Self);
00104 
00106   itkTypeMacro( GeodesicActiveContourShapePriorLevelSetFunction, 
00107     ShapePriorSegmentationLevelSetFunction );
00108 
00110   typedef typename Superclass::ImageType ImageType;
00111   typedef typename Superclass::NeighborhoodType NeighborhoodType;
00112   typedef typename Superclass::ScalarValueType ScalarValueType;
00113   typedef typename Superclass::FeatureScalarType FeatureScalarType;
00114   typedef typename Superclass::RadiusType RadiusType;
00115   typedef typename Superclass::FloatOffsetType FloatOffsetType;
00116   typedef typename Superclass::VectorImageType VectorImageType;
00117   typedef typename Superclass::GlobalDataStruct GlobalDataStruct;
00118 
00120   itkStaticConstMacro(ImageDimension, unsigned int,
00121                       Superclass::ImageDimension);
00122 
00124   virtual void CalculateSpeedImage();
00125 
00127   virtual void CalculateAdvectionImage();
00128 
00130   virtual ScalarValueType CurvatureSpeed(const NeighborhoodType & neighborhood,
00131                                          const FloatOffsetType & offset, GlobalDataStruct *gd ) const
00132   { return PropagationSpeed( neighborhood, offset, gd ); }
00133 
00136   void SetDerivativeSigma( const double v )
00137   { m_DerivativeSigma = v; }
00138   double GetDerivativeSigma()
00139   { return m_DerivativeSigma; };
00141 
00142   virtual void Initialize(const RadiusType &r)
00143   {
00144     Superclass::Initialize(r);
00145     
00146     this->SetAdvectionWeight( NumericTraits<ScalarValueType>::One );
00147     this->SetPropagationWeight( NumericTraits<ScalarValueType>::One );
00148     this->SetCurvatureWeight( NumericTraits<ScalarValueType>::One );
00149     this->SetShapePriorWeight( NumericTraits<ScalarValueType>::One );
00150   }
00151   
00152 protected:
00153   GeodesicActiveContourShapePriorLevelSetFunction()
00154   {
00155     this->SetAdvectionWeight( NumericTraits<ScalarValueType>::One );
00156     this->SetPropagationWeight( NumericTraits<ScalarValueType>::One );
00157     this->SetCurvatureWeight( NumericTraits<ScalarValueType>::One );
00158     this->SetShapePriorWeight( NumericTraits<ScalarValueType>::One );
00159 
00160     m_DerivativeSigma = 1.0;
00161   }
00162 
00163   virtual ~GeodesicActiveContourShapePriorLevelSetFunction() {}
00164 
00165   GeodesicActiveContourShapePriorLevelSetFunction(const Self&); //purposely not implemented
00166   void operator=(const Self&); //purposely not implemented
00167   
00168   void PrintSelf(std::ostream& os, Indent indent) const
00169   {
00170     Superclass::PrintSelf(os, indent );
00171     os << indent << "DerivativeSigma: " << m_DerivativeSigma << std::endl;
00172   }
00173 
00174 private:
00175 
00176   double m_DerivativeSigma;
00177   
00178 };
00179   
00180 } // end namespace itk
00181 
00182 #ifndef ITK_MANUAL_INSTANTIATION
00183 #include "itkGeodesicActiveContourShapePriorLevelSetFunction.txx"
00184 #endif
00185 
00186 #endif
00187 

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