ITK  4.6.0
Insight Segmentation and Registration Toolkit
itkGradientNDAnisotropicDiffusionFunction.h
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18 #ifndef __itkGradientNDAnisotropicDiffusionFunction_h
19 #define __itkGradientNDAnisotropicDiffusionFunction_h
20 
24 #include "itkDerivativeOperator.h"
25 
26 namespace itk
27 {
60 template< typename TImage >
62  public ScalarAnisotropicDiffusionFunction< TImage >
63 {
64 public:
70 
72  itkNewMacro(Self);
73 
77 
79  typedef typename Superclass::ImageType ImageType;
80  typedef typename Superclass::PixelType PixelType;
86 
88 
90  itkStaticConstMacro(ImageDimension, unsigned int, Superclass::ImageDimension);
91 
93  virtual PixelType ComputeUpdate(const NeighborhoodType & neighborhood,
94  void *globalData,
95  const FloatOffsetType & offset = FloatOffsetType(0.0)
96  );
97 
99  virtual void InitializeIteration()
100  {
101  m_K = static_cast< PixelType >( this->GetAverageGradientMagnitudeSquared()
102  * this->GetConductanceParameter() * this->GetConductanceParameter() * -2.0f );
103  }
104 
105 protected:
108 
111 
113  std::slice x_slice[ImageDimension];
116 
119 
122 
125 
126  static double m_MIN_NORM;
127 
128 private:
129  GradientNDAnisotropicDiffusionFunction(const Self &); //purposely not
130  // implemented
131  void operator=(const Self &); //purposely not
132 
133  // implemented
134 };
135 } // end namespace itk
136 
137 #ifndef ITK_MANUAL_INSTANTIATION
138 #include "itkGradientNDAnisotropicDiffusionFunction.hxx"
139 #endif
140 
141 #endif
Light weight base class for most itk classes.
virtual PixelType ComputeUpdate(const NeighborhoodType &neighborhood, void *globalData, const FloatOffsetType &offset=FloatOffsetType(0.0))
ConstNeighborhoodIterator< TImage >::RadiusType RadiusType
Const version of NeighborhoodIterator, defining iteration of a local N-dimensional neighborhood of pi...
unsigned long SizeValueType
Definition: itkIntTypes.h:143
A templated class holding a n-Dimensional vector.
Definition: itkVector.h:62
DerivativeOperator< PixelType, itkGetStaticConstMacro(ImageDimension) > dx_op