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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: 2008-10-16 17:40:09 $
00007   Version:   $Revision: 1.8 $
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::NeighborhoodScalesType NeighborhoodScalesType;
00074   typedef typename Superclass::TimeStepType           TimeStepType;
00075 
00077   typedef typename ImageType::IndexType IndexType;
00078 
00080   typedef TSparseImageType SparseImageType;
00081 
00083   typedef typename SparseImageType::NodeType NodeType;
00084 
00086   typedef typename NodeType::NodeDataType NormalVectorType;
00087 
00089   void SetRefitWeight( const ScalarValueType w )
00090     {
00091     m_RefitWeight = w;
00092     }
00093 
00096   void SetOtherPropagationWeight( const ScalarValueType w )
00097     {
00098     m_OtherPropagationWeight = w;
00099     }
00100 
00103   void SetSparseTargetImage( SparseImageType *im )
00104     { m_SparseTargetImage = im; }
00105 
00107   SparseImageType* GetSparseTargetImage() const
00108     { return m_SparseTargetImage; }
00109 
00114   virtual TimeStepType ComputeGlobalTimeStep( void *GlobalData ) const;
00115 
00116 protected:
00118   ScalarValueType m_RefitWeight;
00119 
00122   ScalarValueType m_OtherPropagationWeight;
00123 
00124   LevelSetFunctionWithRefitTerm ();
00125   void PrintSelf(std::ostream& os, Indent indent) const;
00126 
00129   ScalarValueType ComputeCurvature( const NeighborhoodType & ) const;
00130 
00134   virtual ScalarValueType PropagationSpeed(const NeighborhoodType& ,
00135                                            const FloatOffsetType &,
00136                                            GlobalDataStruct * = 0 ) const;
00137 
00141   virtual ScalarValueType OtherPropagationSpeed(const NeighborhoodType& ,
00142                                                 const FloatOffsetType &,
00143                                                 GlobalDataStruct * = 0) const
00144     {
00145     return NumericTraits<ScalarValueType>::Zero;
00146     }
00147 
00148 private:
00149   LevelSetFunctionWithRefitTerm(const Self&); //purposely not implemented
00150   void operator=(const Self&);   //purposely not implemented
00151    
00153   typename SparseImageType::Pointer m_SparseTargetImage;
00154 
00156   ScalarValueType m_MinVectorNorm;
00157 
00159   static const unsigned long   m_NumVertex;
00160   static const ScalarValueType m_DimConst;
00161 };
00162 
00163 } // end namespace itk
00164 
00165 #ifndef ITK_MANUAL_INSTANTIATION
00166 #include "itkLevelSetFunctionWithRefitTerm.txx"
00167 #endif
00168 
00169 #endif 
00170 

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