ITK  5.4.0
Insight 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 {
63 public:
64  ITK_DISALLOW_COPY_AND_MOVE(GradientNDAnisotropicDiffusionFunction);
65 
71 
73  itkNewMacro(Self);
74 
76  itkOverrideGetNameOfClassMacro(GradientNDAnisotropicDiffusionFunction);
77 
79  using typename Superclass::ImageType;
80  using typename Superclass::PixelType;
81  using typename Superclass::PixelRealType;
82  using typename Superclass::TimeStepType;
83  using typename Superclass::RadiusType;
84  using typename Superclass::NeighborhoodType;
85  using typename Superclass::FloatOffsetType;
86 
88 
90  static constexpr unsigned int ImageDimension = Superclass::ImageDimension;
91 
93  PixelType
94  ComputeUpdate(const NeighborhoodType & it,
95  void * globalData,
96  const FloatOffsetType & offset = FloatOffsetType(0.0)) override;
97 
99  void
101  {
102  m_K = static_cast<PixelType>(this->GetAverageGradientMagnitudeSquared() * this->GetConductanceParameter() *
103  this->GetConductanceParameter() * -2.0f);
104  }
105 
106 protected:
108  ~GradientNDAnisotropicDiffusionFunction() override = default;
109 
112 
114  std::slice x_slice[ImageDimension];
115  std::slice xa_slice[ImageDimension][ImageDimension];
116  std::slice xd_slice[ImageDimension][ImageDimension];
117 
120 
122  PixelType m_K{};
123 
125  NeighborhoodSizeValueType m_Stride[ImageDimension]{};
126 
127  static double m_MIN_NORM;
128 };
129 } // end namespace itk
130 
131 #ifndef ITK_MANUAL_INSTANTIATION
132 # include "itkGradientNDAnisotropicDiffusionFunction.hxx"
133 #endif
134 
135 #endif
itk::FiniteDifferenceFunction< TImage >::RadiusType
typename ConstNeighborhoodIterator< TImage >::RadiusType RadiusType
Definition: itkFiniteDifferenceFunction.h:97
itkNeighborhoodAlgorithm.h
itkScalarAnisotropicDiffusionFunction.h
itk::Vector
A templated class holding a n-Dimensional vector.
Definition: itkVector.h:62
itk::FiniteDifferenceFunction< TImage >::PixelRealType
double PixelRealType
Definition: itkFiniteDifferenceFunction.h:84
itk::SmartPointer< Self >
itk::GradientNDAnisotropicDiffusionFunction::NeighborhoodSizeValueType
SizeValueType NeighborhoodSizeValueType
Definition: itkGradientNDAnisotropicDiffusionFunction.h:87
itk::FiniteDifferenceFunction< TImage >::ImageType
TImage ImageType
Definition: itkFiniteDifferenceFunction.h:82
itk::LightObject
Light weight base class for most itk classes.
Definition: itkLightObject.h:55
itk::ScalarAnisotropicDiffusionFunction
Definition: itkScalarAnisotropicDiffusionFunction.h:41
itk::GradientNDAnisotropicDiffusionFunction::m_MIN_NORM
static double m_MIN_NORM
Definition: itkGradientNDAnisotropicDiffusionFunction.h:127
itk::GradientNDAnisotropicDiffusionFunction
Definition: itkGradientNDAnisotropicDiffusionFunction.h:61
itk::FiniteDifferenceFunction< TImage >::PixelType
typename ImageType::PixelType PixelType
Definition: itkFiniteDifferenceFunction.h:83
itkNeighborhoodInnerProduct.h
itk
The "itk" namespace contains all Insight Segmentation and Registration Toolkit (ITK) classes....
Definition: itkAnnulusOperator.h:24
itk::DerivativeOperator< PixelType, Self::ImageDimension >
itk::ConstNeighborhoodIterator
Const version of NeighborhoodIterator, defining iteration of a local N-dimensional neighborhood of pi...
Definition: itkConstNeighborhoodIterator.h:51
itk::GradientNDAnisotropicDiffusionFunction::InitializeIteration
void InitializeIteration() override
Definition: itkGradientNDAnisotropicDiffusionFunction.h:100
itk::FiniteDifferenceFunction< TImage >
itk::NeighborhoodInnerProduct< ImageType >
itkDerivativeOperator.h
itk::SizeValueType
unsigned long SizeValueType
Definition: itkIntTypes.h:83
itk::FiniteDifferenceFunction< TImage >::TimeStepType
double TimeStepType
Definition: itkFiniteDifferenceFunction.h:90