freImageSampleCharacteristicsCalculator.h

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/*=========================================================================

  Program:   F.R.E.E. - flexible registration evaluation engine
  Version:   v.1.0.0
  Date:      $Date: 2006/09/01 12:00:00 $
  Module:    $RCSfile: freImageSampleCharacteristicsCalculator.h,v $
  Language:  C++



  Copyright (c) 2007 Ralf o Floca (Department of Medical Informatics,
  Institute for Medical Biometry and Informatics, University of Heidelberg,
  Germany). All rights reserved.
  See FREECopyright.txt or http://www.mi.med.uni-hd.de/free/copyright.htm
  for details.

     This software is distributed WITHOUT ANY WARRANTY; without even 
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
     PURPOSE.  See the above copyright notices for more information.

=========================================================================*/
#ifndef _freImageSampleCharacteristicsCalculator_h
#define _freImageSampleCharacteristicsCalculator_h

namespace FREE
{

template <class TImage>
class ImageSampleCharacteristicsCalculator
{
public:
  typedef ImageSampleCharacteristicsCalculator Self;
        typedef TImage ImageType;
        typedef typename ImageType::PixelType ValueType; 
        typedef double ResultType;

        void Compute();

        void ComputeMean();

        void ComputeVariance(const ResultType& mean);

        void ComputeMedian();

        ResultType GetMean() const;

        ResultType GetVariance() const;

        ValueType GetMedian() const;

        ValueType GetNativeMean() const;

        ValueType GetNativeVariance() const;

        void SetImage(const ImageType* pField);

        ImageSampleCharacteristicsCalculator();

private:
        typename ImageType::ConstPointer m_smpImage;

        ResultType m_Mean;

        ValueType m_Median;
        
        ResultType m_Variance;
};

} // namespace free

#ifndef ITK_MANUAL_INSTANTIATION
#include "freImageSampleCharacteristicsCalculator.txx"
#endif

#endif

---