ITK  4.2.0
Insight Segmentation and Registration Toolkit
itkVectorGradientNDAnisotropicDiffusionFunction.h
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18 #ifndef __itkVectorGradientNDAnisotropicDiffusionFunction_h
19 #define __itkVectorGradientNDAnisotropicDiffusionFunction_h
20 
24 #include "itkDerivativeOperator.h"
25 
26 namespace itk
27 {
43 template< class TImage >
45  public VectorAnisotropicDiffusionFunction< TImage >
46 {
47 public:
53 
55  itkNewMacro(Self);
56 
60 
62  typedef typename Superclass::ImageType ImageType;
63  typedef typename Superclass::PixelType PixelType;
68 
70  itkStaticConstMacro(ImageDimension, unsigned int,
71  Superclass::ImageDimension);
72  itkStaticConstMacro(VectorDimension, unsigned int,
73  Superclass::VectorDimension);
75 
77  typedef typename PixelType::ValueType ScalarValueType;
78 
80  virtual PixelType ComputeUpdate(const NeighborhoodType & neighborhood,
81  void *globalData,
82  const FloatOffsetType & offset = FloatOffsetType(0.0)
83  );
84 
86  virtual void InitializeIteration()
87  {
88  m_K = this->GetAverageGradientMagnitudeSquared() * this->GetConductanceParameter()
89  * this->GetConductanceParameter() * -2.0f;
90  }
91 
92 protected:
95 private:
96  VectorGradientNDAnisotropicDiffusionFunction(const Self &); //purposely not
97  // implemented
98  void operator=(const Self &); //purposely not
99 
100  // implemented
101 
104 
106  std::slice x_slice[ImageDimension];
107  std::slice xa_slice[ImageDimension][ImageDimension];
108  std::slice xd_slice[ImageDimension][ImageDimension];
109 
112  itkGetStaticConstMacro(ImageDimension) > dx_op;
113 
116 
117  static double m_MIN_NORM;
118 
119  SizeValueType m_Stride[ImageDimension];
121 };
122 } // end namespace itk
123 
124 #ifndef ITK_MANUAL_INSTANTIATION
125 #include "itkVectorGradientNDAnisotropicDiffusionFunction.hxx"
126 #endif
127 
128 #endif
129