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itkSpatialObjectToImageStatisticsCalculator.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkSpatialObjectToImageStatisticsCalculator.h,v $
00005   Language:  C++
00006   Date:      $Date: 2005/05/27 21:01:28 $
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 __itkSpatialObjectToImageStatisticsCalculator_h
00018 #define __itkSpatialObjectToImageStatisticsCalculator_h
00019 
00020 #include "itkObject.h"
00021 #include "itkObjectFactory.h"
00022 #include "itkFloodFilledSpatialFunctionConditionalConstIterator.h"
00023 #include "itkMatrix.h"
00024 #include "itkNumericTraits.h"
00025 
00026 namespace itk
00027 {
00028 
00033 template <class TInputImage, class TInputSpatialObject, unsigned int TSampleDimension=1>            
00034 class ITK_EXPORT SpatialObjectToImageStatisticsCalculator : public Object 
00035 {
00036 public:
00037 
00039   typedef SpatialObjectToImageStatisticsCalculator Self;
00040   typedef Object  Superclass;
00041   typedef SmartPointer<Self>   Pointer;
00042   typedef SmartPointer<const Self>  ConstPointer;
00043 
00045   itkNewMacro(Self);
00046 
00048   itkTypeMacro(SpatialObjectToImageStatisticsCalculator, Object);
00049 
00051   typedef TInputImage  ImageType;
00052   typedef typename TInputImage::Pointer  ImagePointer;
00053   typedef typename TInputImage::ConstPointer ImageConstPointer;
00054   typedef typename TInputImage::PixelType PixelType;
00055   typedef typename TInputImage::IndexType IndexType;
00056   typedef  typename NumericTraits< PixelType >::AccumulateType AccumulateType;
00057 
00058   itkStaticConstMacro(ImageDimension, unsigned int,
00059                       ImageType::ImageDimension);
00060   
00061   itkStaticConstMacro(SampleDimension, unsigned int,
00062                       TSampleDimension);
00063 
00064   itkStaticConstMacro(ObjectDimension, unsigned int,
00065                       TInputSpatialObject::ObjectDimension);
00066 
00067 
00069   typedef TInputSpatialObject SpatialObjectType;  
00070   typedef typename SpatialObjectType::Pointer  SpatialObjectPointer;
00071   typedef typename SpatialObjectType::ConstPointer SpatialObjectConstPointer;
00072 
00074   typedef itk::FloodFilledSpatialFunctionConditionalConstIterator<ImageType,
00075                                                  SpatialObjectType> IteratorType;
00076 
00078   typedef Vector< double, TSampleDimension> VectorType;
00079   typedef Matrix< double, TSampleDimension, TSampleDimension > MatrixType ;
00080 
00082   itkSetMacro(SampleDirection,unsigned int);
00083   itkGetMacro(SampleDirection,unsigned int);
00085 
00087   itkSetConstObjectMacro(Image,ImageType);
00088 
00090   itkSetObjectMacro(SpatialObject,SpatialObjectType);
00091 
00093   const VectorType & GetMean() const {return m_Mean;}
00094 
00096   const MatrixType & GetCovarianceMatrix() const {return m_CovarianceMatrix;}
00097 
00099   AccumulateType GetSum() const {return m_Sum;}
00100 
00102   itkGetConstMacro(NumberOfPixels,unsigned long);
00103 
00105   void Update(void);
00106 
00107 protected:
00108   SpatialObjectToImageStatisticsCalculator();
00109   virtual ~SpatialObjectToImageStatisticsCalculator() {};
00110   void PrintSelf(std::ostream& os, Indent indent) const;
00111 
00112 private:
00113   SpatialObjectToImageStatisticsCalculator(const Self&); //purposely not implemented
00114   void operator=(const Self&); //purposely not implemented
00115   
00116   ImageConstPointer          m_Image;
00117   SpatialObjectPointer       m_SpatialObject;
00118   VectorType                 m_Mean;
00119   AccumulateType             m_Sum;
00120   unsigned long              m_NumberOfPixels;
00121   MatrixType                 m_CovarianceMatrix;
00122   unsigned int               m_SampleDirection;
00123   unsigned long              m_InternalImageTime;
00124   unsigned long              m_InternalSpatialObjectTime;
00125   TimeStamp                  m_ModifiedTime;
00126 };
00127 
00128 } // end namespace itk
00129 
00130 
00131 #ifndef ITK_MANUAL_INSTANTIATION
00132 #include "itkSpatialObjectToImageStatisticsCalculator.txx"
00133 #endif
00134 
00135 #endif /* __itkSpatialObjectToImageStatisticsCalculator_h */
00136 

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