ITK  5.3.0
Insight Toolkit
itkGradientNDAnisotropicDiffusionFunction.h
Go to the documentation of this file.
1 /*=========================================================================
2  *
3  * Copyright NumFOCUS
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0.txt
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  *
17  *=========================================================================*/
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 
77 
79  using ImageType = typename Superclass::ImageType;
80  using PixelType = typename Superclass::PixelType;
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 
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::AnisotropicDiffusionFunction::RadiusType
typename Superclass::RadiusType RadiusType
Definition: itkAnisotropicDiffusionFunction.h:158
itk::FiniteDifferenceFunction< TImage >::RadiusType
typename ConstNeighborhoodIterator< TImage >::RadiusType RadiusType
Definition: itkFiniteDifferenceFunction.h:97
itkNeighborhoodAlgorithm.h
itk::GradientNDAnisotropicDiffusionFunction::m_InnerProduct
NeighborhoodInnerProduct< ImageType > m_InnerProduct
Definition: itkGradientNDAnisotropicDiffusionFunction.h:111
itk::GradientNDAnisotropicDiffusionFunction::ImageType
typename Superclass::ImageType ImageType
Definition: itkGradientNDAnisotropicDiffusionFunction.h:79
itkScalarAnisotropicDiffusionFunction.h
itk::GradientNDAnisotropicDiffusionFunction::PixelRealType
typename Superclass::PixelRealType PixelRealType
Definition: itkGradientNDAnisotropicDiffusionFunction.h:81
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::AnisotropicDiffusionFunction::NeighborhoodType
typename Superclass::NeighborhoodType NeighborhoodType
Definition: itkAnisotropicDiffusionFunction.h:159
itk::GradientNDAnisotropicDiffusionFunction::m_DerivativeOperator
DerivativeOperator< PixelType, Self::ImageDimension > m_DerivativeOperator
Definition: itkGradientNDAnisotropicDiffusionFunction.h:119
itk::SmartPointer< Self >
itk::GradientNDAnisotropicDiffusionFunction::NeighborhoodSizeValueType
SizeValueType NeighborhoodSizeValueType
Definition: itkGradientNDAnisotropicDiffusionFunction.h:87
itk::FiniteDifferenceFunction< TImage >::ImageType
TImage ImageType
Definition: itkFiniteDifferenceFunction.h:82
itk::GradientNDAnisotropicDiffusionFunction::m_Center
NeighborhoodSizeValueType m_Center
Definition: itkGradientNDAnisotropicDiffusionFunction.h:124
itk::ScalarAnisotropicDiffusionFunction::PixelType
typename Superclass::PixelType PixelType
Definition: itkScalarAnisotropicDiffusionFunction.h:57
itk::LightObject
Light weight base class for most itk classes.
Definition: itkLightObject.h:59
itk::AnisotropicDiffusionFunction::TimeStepType
typename Superclass::TimeStepType TimeStepType
Definition: itkAnisotropicDiffusionFunction.h:160
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::GradientNDAnisotropicDiffusionFunction::m_K
PixelType m_K
Definition: itkGradientNDAnisotropicDiffusionFunction.h:122
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::GradientNDAnisotropicDiffusionFunction::PixelType
typename Superclass::PixelType PixelType
Definition: itkGradientNDAnisotropicDiffusionFunction.h:80
itk::FiniteDifferenceFunction< TImage >
itk::NeighborhoodInnerProduct< ImageType >
itk::AnisotropicDiffusionFunction::FloatOffsetType
typename Superclass::FloatOffsetType FloatOffsetType
Definition: itkAnisotropicDiffusionFunction.h:161
itkDerivativeOperator.h
itk::SizeValueType
unsigned long SizeValueType
Definition: itkIntTypes.h:83
itk::FiniteDifferenceFunction< TImage >::TimeStepType
double TimeStepType
Definition: itkFiniteDifferenceFunction.h:90