ITK  4.13.0
Insight Segmentation and Registration Toolkit
itkGaussianBlurImageFunction.h
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18 #ifndef itkGaussianBlurImageFunction_h
19 #define itkGaussianBlurImageFunction_h
20 
22 #include "itkGaussianOperator.h"
24 
25 namespace itk
26 {
42 template< typename TInputImage, typename TOutput = double >
43 class ITK_TEMPLATE_EXPORT GaussianBlurImageFunction:
44  public ImageFunction< TInputImage, TOutput >
45 {
46 public:
47 
50 
53 
57 
59  itkNewMacro(Self);
60 
63 
65  typedef TInputImage InputImageType;
66  typedef typename InputImageType::PixelType InputPixelType;
67  typedef typename Superclass::IndexType IndexType;
68  typedef typename Superclass::ContinuousIndexType ContinuousIndexType;
69 
71  itkStaticConstMacro(ImageDimension, unsigned int, InputImageType::ImageDimension);
72 
73  typedef GaussianOperator<
74  TOutput, itkGetStaticConstMacro(ImageDimension) > GaussianOperatorType;
77 
81  typedef itk::Image<
82  InputPixelRealType, itkGetStaticConstMacro(ImageDimension) > InternalImageType;
84 
87 
90 
94 
96  typedef typename Superclass::PointType PointType;
97 
99  virtual TOutput Evaluate(const PointType & point) const ITK_OVERRIDE;
100 
102  virtual TOutput EvaluateAtIndex(const IndexType & index) const ITK_OVERRIDE;
103 
105  virtual TOutput EvaluateAtContinuousIndex(
106  const ContinuousIndexType & index) const ITK_OVERRIDE;
107 
114  void SetSigma(const double *sigma);
115 
116  void SetSigma(const float *sigma);
117 
118  void SetSigma(const double sigma);
119 
120  itkSetMacro(Sigma, SigmaArrayType);
121  itkGetConstReferenceMacro(Sigma, SigmaArrayType);
122 
127  virtual void SetInputImage(const InputImageType *ptr) ITK_OVERRIDE;
128 
132  itkSetMacro(Extent, ExtentArrayType);
133  itkGetConstReferenceMacro(Extent, ExtentArrayType);
134  void SetExtent(const double *extent);
136 
137  void SetExtent(const double extent);
138 
142  itkSetMacro(MaximumError, ErrorArrayType);
143  itkGetConstReferenceMacro(MaximumError, ErrorArrayType);
145 
150  itkSetMacro(MaximumKernelWidth, int);
151  itkGetConstMacro(MaximumKernelWidth, int);
153 
159  itkSetMacro(UseImageSpacing, bool);
160  itkGetConstMacro(UseImageSpacing, bool);
161  itkBooleanMacro(UseImageSpacing);
163 
164 protected:
167 
168  ~GaussianBlurImageFunction() ITK_OVERRIDE {}
169 
170  void operator=(const Self &);
171 
172  void PrintSelf(std::ostream & os, Indent indent) const ITK_OVERRIDE;
173 
174  void RecomputeGaussianKernel();
175 
176  void RecomputeContinuousGaussianKernel(const double *offset) const;
177 
178 private:
179 
180  virtual TOutput EvaluateAtIndex(
181  const IndexType & index, const OperatorArrayType & operatorArray) const;
182 
189 
195 
199 
202 
205 
208 };
209 } // end namespace itk
210 
211 #ifndef ITK_MANUAL_INSTANTIATION
212 #include "itkGaussianBlurImageFunction.hxx"
213 #endif
214 
215 #endif
A NeighborhoodOperator whose coefficients are a one dimensional, discrete Gaussian kernel...
Light weight base class for most itk classes.
Superclass::ContinuousIndexType ContinuousIndexType
NeighborhoodOperatorImageFunction< InputImageType, TOutput > OperatorImageFunctionType
OperatorInternalImageFunctionPointer m_OperatorInternalImageFunction
NeighborhoodOperatorImageFunction< InternalImageType, TOutput > OperatorInternalImageFunctionType
FixedArray< NeighborhoodType, itkGetStaticConstMacro(ImageDimension) > OperatorArrayType
InternalImageType::Pointer InternalImagePointer
Compute the convolution of a neighborhood operator with the image at a specific location in space...
NumericTraits< InputPixelType >::RealType InputPixelRealType
itk::FixedArray< double, itkGetStaticConstMacro(ImageDimension) > ExtentArrayType
GaussianOperator< TOutput, itkGetStaticConstMacro(ImageDimension) > GaussianOperatorType
Neighborhood< TOutput, itkGetStaticConstMacro(ImageDimension) > NeighborhoodType
Compute the convolution of a neighborhood operator with the image at a specific location in space...
ImageFunction< TInputImage, TOutput > Superclass
N-dimensional Gaussian spatial function class.
OperatorInternalImageFunctionType::Pointer OperatorInternalImageFunctionPointer
itk::FixedArray< double, itkGetStaticConstMacro(ImageDimension) > ErrorArrayType
OperatorImageFunctionType::Pointer OperatorImageFunctionPointer
itk::FixedArray< double, itkGetStaticConstMacro(ImageDimension) > SigmaArrayType
OperatorImageFunctionPointer m_OperatorImageFunction
Control indentation during Print() invocation.
Definition: itkIndent.h:49
GaussianSpatialFunction< TOutput, 1 > GaussianFunctionType
Define additional traits for native types such as int or float.
GaussianFunctionType::Pointer GaussianFunctionPointer
itk::Image< InputPixelRealType, itkGetStaticConstMacro(ImageDimension) > InternalImageType
Evaluates a function of an image at specified position.
Templated n-dimensional image class.
Definition: itkImage.h:75