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itkVarianceImageFunction.h

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00001 /*========================================================================= 00002 00003 Program: Insight Segmentation & Registration Toolkit 00004 Module: $RCSfile: itkVarianceImageFunction.h,v $ 00005 Language: C++ 00006 Date: $Date: 2003/09/10 14:29:28 $ 00007 Version: $Revision: 1.6 $ 00008 00009 Copyright (c) Insight Software Consortium. All rights reserved. 00010 See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details. 00011 00012 This software is distributed WITHOUT ANY WARRANTY; without even 00013 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 00014 PURPOSE. See the above copyright notices for more information. 00015 00016 =========================================================================*/ 00017 #ifndef _itkVarianceImageFunction_h 00018 #define _itkVarianceImageFunction_h 00019 00020 #include "itkImageFunction.h" 00021 #include "itkNumericTraits.h" 00022 00023 namespace itk 00024 { 00025 00041 template <class TInputImage, class TCoordRep = float > 00042 class ITK_EXPORT VarianceImageFunction : 00043 public ImageFunction< TInputImage, ITK_TYPENAME NumericTraits<typename TInputImage::PixelType>::RealType, 00044 TCoordRep > 00045 { 00046 public: 00048 typedef VarianceImageFunction Self; 00049 typedef ImageFunction<TInputImage, ITK_TYPENAME NumericTraits<typename TInputImage::PixelType>::RealType, 00050 TCoordRep > Superclass; 00051 typedef SmartPointer<Self> Pointer; 00052 typedef SmartPointer<const Self> ConstPointer; 00053 00055 itkTypeMacro(VarianceImageFunction, ImageFunction); 00056 00058 itkNewMacro(Self); 00059 00061 typedef TInputImage InputImageType; 00062 00064 typedef typename Superclass::OutputType OutputType; 00065 00067 typedef typename Superclass::IndexType IndexType; 00068 00070 typedef typename Superclass::ContinuousIndexType ContinuousIndexType; 00071 00073 typedef typename Superclass::PointType PointType; 00074 00076 itkStaticConstMacro(ImageDimension, unsigned int, 00077 InputImageType::ImageDimension); 00078 00080 typedef typename NumericTraits<typename InputImageType::PixelType>::RealType 00081 RealType; 00082 00084 virtual RealType EvaluateAtIndex( const IndexType& index ) const; 00085 00087 virtual RealType Evaluate( const PointType& point ) const 00088 { 00089 IndexType index; 00090 this->ConvertPointToNearestIndex( point, index ); 00091 return this->EvaluateAtIndex( index ); 00092 } 00093 virtual RealType EvaluateAtContinuousIndex( 00094 const ContinuousIndexType& cindex ) const 00095 { 00096 IndexType index; 00097 this->ConvertContinuousIndexToNearestIndex( cindex, index ); 00098 return this->EvaluateAtIndex( index ) ; 00099 } 00100 00103 itkSetMacro( NeighborhoodRadius, unsigned int ); 00104 itkGetConstReferenceMacro( NeighborhoodRadius, unsigned int ); 00105 00106 00107 protected: 00108 VarianceImageFunction(); 00109 ~VarianceImageFunction(){}; 00110 void PrintSelf(std::ostream& os, Indent indent) const; 00111 00112 private: 00113 VarianceImageFunction( const Self& ); //purposely not implemented 00114 void operator=( const Self& ); //purposely not implemented 00115 00116 unsigned int m_NeighborhoodRadius; 00117 00118 }; 00119 00120 } // namespace itk 00121 00122 #ifndef ITK_MANUAL_INSTANTIATION 00123 #include "itkVarianceImageFunction.txx" 00124 #endif 00125 00126 #endif 00127

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