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itkStatisticsImageFilter.h

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00001 /*========================================================================= 00002 00003 Program: Insight Segmentation & Registration Toolkit 00004 Module: $RCSfile: itkStatisticsImageFilter.h,v $ 00005 Language: C++ 00006 Date: $Date: 2003/09/10 14:28:57 $ 00007 Version: $Revision: 1.9 $ 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 __itkStatisticsImageFilter_h 00018 #define __itkStatisticsImageFilter_h 00019 00020 #include "itkImageToImageFilter.h" 00021 #include "itkNumericTraits.h" 00022 #include "itkArray.h" 00023 00024 namespace itk { 00025 00041 template<class TInputImage> 00042 class ITK_EXPORT StatisticsImageFilter : 00043 public ImageToImageFilter<TInputImage, TInputImage> 00044 { 00045 public: 00047 typedef StatisticsImageFilter Self; 00048 typedef ImageToImageFilter<TInputImage,TInputImage> Superclass; 00049 typedef SmartPointer<Self> Pointer; 00050 typedef SmartPointer<const Self> ConstPointer; 00051 00053 itkNewMacro(Self); 00054 00056 itkTypeMacro(StatisticsImageFilter, ImageToImageFilter); 00057 00059 typedef typename TInputImage::Pointer InputImagePointer; 00060 00061 typedef typename TInputImage::RegionType RegionType ; 00062 typedef typename TInputImage::SizeType SizeType ; 00063 typedef typename TInputImage::IndexType IndexType ; 00064 typedef typename TInputImage::PixelType PixelType ; 00065 00067 itkStaticConstMacro(ImageDimension, unsigned int, 00068 TInputImage::ImageDimension ) ; 00069 00071 typedef typename NumericTraits<PixelType>::RealType RealType; 00072 00074 itkGetMacro(Minimum,RealType); 00075 00077 itkGetMacro(Maximum,RealType); 00078 00080 itkGetMacro(Mean,RealType); 00081 00083 itkGetMacro(Sigma,RealType); 00084 00086 itkGetMacro(Variance,RealType); 00087 00089 itkGetMacro(Sum,RealType); 00090 00091 protected: 00092 StatisticsImageFilter(): m_ThreadSum(1), m_SumOfSquares(1), m_Count(1), m_ThreadMin(1), m_ThreadMax(1) 00093 { 00094 m_Minimum = NumericTraits<RealType>::max(); 00095 m_Maximum = NumericTraits<RealType>::NonpositiveMin(); 00096 m_Mean = NumericTraits<RealType>::max(); 00097 m_Sigma = NumericTraits<RealType>::max(); 00098 m_Variance = NumericTraits<RealType>::max(); 00099 m_Sum = NumericTraits<RealType>::Zero; 00100 }; 00101 00102 ~StatisticsImageFilter(){}; 00103 void PrintSelf(std::ostream& os, Indent indent) const; 00104 00106 void AllocateOutputs(); 00107 00109 void BeforeThreadedGenerateData (); 00110 00112 void AfterThreadedGenerateData (); 00113 00115 void ThreadedGenerateData (const RegionType& 00116 outputRegionForThread, 00117 int threadId) ; 00118 00119 // Override since the filter needs all the data for the algorithm 00120 void GenerateInputRequestedRegion(); 00121 00122 // Override since the filter produces all of its output 00123 void EnlargeOutputRequestedRegion(DataObject *data); 00124 00125 private: 00126 StatisticsImageFilter(const Self&); //purposely not implemented 00127 void operator=(const Self&); //purposely not implemented 00128 00129 RealType m_Minimum; 00130 RealType m_Maximum; 00131 RealType m_Mean; 00132 RealType m_Sigma; 00133 RealType m_Variance; 00134 RealType m_Sum; 00135 00136 Array<RealType> m_ThreadSum; 00137 Array<RealType> m_SumOfSquares; 00138 Array<long> m_Count; 00139 Array<RealType> m_ThreadMin; 00140 Array<RealType> m_ThreadMax; 00141 00142 } ; // end of class 00143 00144 } // end namespace itk 00145 00146 #ifndef ITK_MANUAL_INSTANTIATION 00147 #include "itkStatisticsImageFilter.txx" 00148 #endif 00149 00150 #endif

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