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itkLevelSetFunctionWithRefitTerm.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkLevelSetFunctionWithRefitTerm.h,v $
00005   Language:  C++
00006   Date:      $Date: 2003/09/10 14:28:51 $
00007   Version:   $Revision: 1.5 $
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 __itkLevelSetFunctionWithRefitTerm_h_
00018 #define __itkLevelSetFunctionWithRefitTerm_h_
00019 
00020 #include "itkLevelSetFunction.h"
00021 #include "itkSparseImage.h"
00022 #include "itkNumericTraits.h"
00023 
00024 namespace itk {
00025 
00049 template <class TImageType, class TSparseImageType>
00050 class ITK_EXPORT LevelSetFunctionWithRefitTerm
00051   : public LevelSetFunction<TImageType>
00052 {
00053 public:
00054 
00056   typedef LevelSetFunctionWithRefitTerm Self;
00057   typedef LevelSetFunction<TImageType> Superclass;
00058   typedef SmartPointer<Self> Pointer;
00059   typedef SmartPointer<const Self> ConstPointer;
00060 
00062   itkTypeMacro( LevelSetFunctionWithRefitTerm, LevelSetFunction );
00063 
00065   itkNewMacro (Self);
00066 
00068   typedef typename Superclass::ImageType ImageType;
00069   typedef typename Superclass::FloatOffsetType FloatOffsetType;
00070   typedef typename Superclass::ScalarValueType ScalarValueType;
00071   typedef typename Superclass::GlobalDataStruct GlobalDataStruct;
00072   typedef typename Superclass::NeighborhoodType NeighborhoodType;
00073   typedef typename Superclass::TimeStepType TimeStepType;
00074 
00076   typedef typename ImageType::IndexType IndexType;
00077 
00079   typedef TSparseImageType SparseImageType;
00080 
00082   typedef typename SparseImageType::NodeType NodeType;
00083 
00085   typedef typename NodeType::NodeDataType NormalVectorType;
00086 
00088   void SetRefitWeight( const ScalarValueType w )
00089   {
00090     m_RefitWeight = w;
00091   }
00092 
00095   void SetOtherPropagationWeight( const ScalarValueType w )
00096   {
00097     m_OtherPropagationWeight = w;
00098   }
00099 
00102   void SetSparseTargetImage( SparseImageType *im )
00103   { m_SparseTargetImage = im; }
00104 
00106   SparseImageType* GetSparseTargetImage() const
00107   { return m_SparseTargetImage; }
00108 
00113   virtual TimeStepType ComputeGlobalTimeStep( void *GlobalData ) const;
00114 
00115 protected:
00117   ScalarValueType m_RefitWeight;
00118 
00121   ScalarValueType m_OtherPropagationWeight;
00122 
00123   LevelSetFunctionWithRefitTerm ();
00124   void PrintSelf(std::ostream& os, Indent indent) const;
00125 
00128   ScalarValueType ComputeCurvature( const NeighborhoodType & ) const;
00129 
00133   virtual ScalarValueType PropagationSpeed(const NeighborhoodType& ,
00134                                            const FloatOffsetType &,
00135                                            GlobalDataStruct * = 0 ) const;
00136 
00140   virtual ScalarValueType OtherPropagationSpeed(const NeighborhoodType& ,
00141                                                 const FloatOffsetType &,
00142                                                 GlobalDataStruct * = 0) const
00143   {
00144     return NumericTraits<ScalarValueType>::Zero;
00145   }
00146 
00147 private:
00149   typename SparseImageType::Pointer m_SparseTargetImage;
00150 
00152   ScalarValueType m_MinVectorNorm;
00153 
00155   static const unsigned long m_NumVertex;
00156   static const ScalarValueType m_DimConst;
00157 };
00158 
00159 } // end namespace itk
00160 
00161 #ifndef ITK_MANUAL_INSTANTIATION
00162 #include "itkLevelSetFunctionWithRefitTerm.txx"
00163 #endif
00164 
00165 #endif 
00166 

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