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itkSampleToHistogramProjectionFilter.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkSampleToHistogramProjectionFilter.h,v $
00005   Language:  C++
00006   Date:      $Date: 2009-03-04 19:29:54 $
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 __itkSampleToHistogramProjectionFilter_h
00018 #define __itkSampleToHistogramProjectionFilter_h
00019 
00020 #include "itkMacro.h"
00021 #include "itkObject.h"
00022 #include "itkSample.h"
00023 #include "itkSubsample.h"
00024 #include "itkHistogram.h"
00025 #include "itkFunctionBase.h"
00026 #include "itkSampleAlgorithmBase.h"
00027 #include "itkArray.h"
00028 
00029 namespace itk { 
00030 namespace Statistics {
00031 
00053 template < class TInputSample, class THistogramMeasurement >
00054 class ITK_EXPORT SampleToHistogramProjectionFilter : 
00055     public SampleAlgorithmBase< TInputSample >
00056 {
00057 public:
00059   typedef SampleToHistogramProjectionFilter   Self;
00060   typedef SampleAlgorithmBase< TInputSample > Superclass;
00061   typedef SmartPointer< Self >                Pointer;
00062   typedef const SmartPointer< Self >          ConstPointer;
00063 
00065   itkTypeMacro(SampleToHistogramProjectionFilter, SampleAlgorithmBase);
00066 
00068   itkNewMacro(Self);
00069 
00070 
00072   typedef typename TInputSample::MeasurementVectorType MeasurementVectorType;
00073   typedef typename TInputSample::MeasurementType       MeasurementType;
00074   typedef typename TInputSample::FrequencyType         FrequencyType;
00075   typedef typename TInputSample::InstanceIdentifier    InstanceIdentifier;
00076 
00078   typedef typename Superclass::InputSampleType           InputSampleType;
00079   typedef typename Superclass::MeasurementVectorSizeType MeasurementVectorSizeType;
00080 
00082   typedef   Array< double > ArrayType;
00083 
00085   typedef Array< double > MeanType;
00086 
00088   typedef Histogram< THistogramMeasurement, 1 > HistogramType;
00089 
00091   virtual void SetHistogram(HistogramType* histogram);
00092 
00094   void SetMean(MeanType* center);
00095 
00097   MeanType* GetMean();
00098 
00100   void SetStandardDeviation(double* value);
00101 
00103   double* GetStandardDeviation();
00104 
00106   void SetProjectionAxis(ArrayType* axis);
00107 
00109   ArrayType* GetProjectionAxis();
00110 
00114   void SetHistogramBinOverlap(double overlap);
00115 
00116 protected:
00117   SampleToHistogramProjectionFilter();
00118   virtual ~SampleToHistogramProjectionFilter() {}
00119   void PrintSelf(std::ostream& os, Indent indent) const;
00120 
00123   float CalculateOverlap(int binIndex,
00124                          float dotProduct, 
00125                          float scale,
00126                          float marginalDistance,
00127                          bool firstHalf);
00128 
00130   void GenerateData();
00131 
00132 private:
00133   SampleToHistogramProjectionFilter(const Self&); //purposely not implemented
00134   void operator=(const Self&); //purposely not implemented
00135 
00136   bool   m_HistogramUseEquiProbableBins;
00137   double m_HistogramBinOverlap;
00138 
00139   MeanType*      m_Mean;
00140   ArrayType*     m_ProjectionAxis;
00141   double*        m_StandardDeviation;
00142   HistogramType* m_Histogram;
00143   FrequencyType  m_MinimumFrequency;
00144 }; // end of class
00145 
00146 } // end of namespace Statistics 
00147 } // end of namespace itk
00148 
00149 #ifndef ITK_MANUAL_INSTANTIATION
00150 #include "itkSampleToHistogramProjectionFilter.txx"
00151 #endif
00152 
00153 #endif
00154 

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