cmtkOverlapMeasures.h

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/*
//
//  Copyright 1997-2009 Torsten Rohlfing
//  Copyright 2004-2009 SRI International
//
//  This file is part of the Computational Morphometry Toolkit.
//
//  http://www.nitrc.org/projects/cmtk/
//
//  The Computational Morphometry Toolkit is free software: you can
//  redistribute it and/or modify it under the terms of the GNU General Public
//  License as published by the Free Software Foundation, either version 3 of
//  the License, or (at your option) any later version.
//
//  The Computational Morphometry Toolkit is distributed in the hope that it
//  will be useful, but WITHOUT ANY WARRANTY; without even the implied
//  warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details.
//
//  You should have received a copy of the GNU General Public License along
//  with the Computational Morphometry Toolkit.  If not, see
//  <http://www.gnu.org/licenses/>.
//
//  $Revision: 2398 $
//
//  $LastChangedDate: 2010-10-05 14:54:37 -0700 (Tue, 05 Oct 2010) $
//
//  $LastChangedBy: torstenrohlfing $
//
*/

#ifndef __cmtkOverlapMeasures_h_included_
#define __cmtkOverlapMeasures_h_included_

#include <cmtkconfig.h>

#include <Base/cmtkTypedArray.h>

#include <vector>

namespace
cmtk
{


class OverlapMeasures
{
public:
  OverlapMeasures( const std::vector<TypedArray::SmartPtr>& dataArrays );

  typedef enum
  {
    Equal,
    Volume,
    VolumeInverse
  } RegionWeightingMode;

  size_t ComputeGroupwiseOverlap
  ( const int firstLabel, 
    const int numberOfLabels, 
    double& overlapEqualWeighted, 
    double& overlapVolumeWeighted, 
    double& overlapInverseWeighted 
    ) const;

  size_t ComputeGroupwiseOverlap
  ( double& overlapEqualWeighted, 
    double& overlapVolumeWeighted, 
    double& overlapInverseWeighted 
    ) const
  {
    return this->ComputeGroupwiseOverlap( 0, this->m_MaxLabelValue+1, overlapEqualWeighted, overlapVolumeWeighted, overlapInverseWeighted );
  }

  unsigned int GetMaxLabelValue() const
  {
    return this->m_MaxLabelValue;
  }

private:
  size_t m_NumberOfImages;

  size_t m_NumberOfPixels;

  unsigned int m_MaxLabelValue;

  std::vector<TypedArray::SmartPtr> m_DataArrays;

  double ComputePairwiseOverlapMinMax( double& overlap_min, double& overlap_max, const TypedArray::SmartPtr& data0, const TypedArray::SmartPtr& data1, const int label ) const;
};


} // namespace cmtk

#endif // #ifndef __cmtkOverlapMeasures_h_included_