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/*
//
// Copyright 1997-2009 Torsten Rohlfing
//
// Copyright 2004-2013 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: 5436 $
//
// $LastChangedDate: 2018-12-10 19:01:20 -0800 (Mon, 10 Dec 2018) $
//
// $LastChangedBy: torstenrohlfing $
//
*/
#ifndef __cmtkLabelCombinationLocalVoting_h_included_
#define __cmtkLabelCombinationLocalVoting_h_included_
#include <cmtkconfig.h>
#include <Segmentation/cmtkLabelCombinationLocalWeighting.h>
#include <System/cmtkSmartPtr.h>
#include <System/cmtkSmartConstPtr.h>
#include <Base/cmtkUniformVolume.h>
#include <vector>
namespace
cmtk
{
/** \addtogroup Segmentation */
//@{
/** Segmentation combination by locally-weighted label voting.
*\attention All labels must be representable as unsigned, short integers between 0 and 65535.
*/
class LabelCombinationLocalVoting
: public LabelCombinationLocalWeighting
{
public:
/// This class.
typedef LabelCombinationLocalVoting Self;
/// Smart pointer to this class.
typedef SmartPointer<Self> SmartPtr;
/// Smart pointer to const to this class.
typedef SmartConstPointer<Self> SmartConstPtr;
/// Parent class.
typedef LabelCombinationLocalWeighting Superclass;
/// Constructor: compute label combination.
LabelCombinationLocalVoting( const UniformVolume::SmartConstPtr targetImage ) : Superclass( targetImage ), m_UseGlobalAtlasWeights( false ) {}
/// Add an atlas (pair of reformatted, target-matched intensity image and label map).
void AddAtlas( const UniformVolume::SmartConstPtr image, const UniformVolume::SmartConstPtr atlas );
/// Get resulting combined segmentation.
virtual TypedArray::SmartPtr GetResult() const;
/// Set flag for using global atlas weights for normalization.
void SetUseGlobalAtlasWeights( const bool flag )
{
this->m_UseGlobalAtlasWeights = flag;
}
protected:
/// Vector of target-matched atlas label maps.
std::vector<UniformVolume::SmartConstPtr> m_AtlasLabels;
/// Compute maximum label value in the input label maps.
int ComputeMaximumLabelValue() const;
/// Compute number of pixels with given label value in all input label maps.
size_t ComputeLabelNumberOfPixels( const int label ) const;
/** Delete atlas with given index.
* Call inherited member, then delete distance map.
*/
virtual void DeleteAtlas( const size_t i )
{
this->Superclass::DeleteAtlas( i );
this->m_AtlasLabels.erase( this->m_AtlasLabels.begin() + i );
}
private:
/// Flag for using global atlas weights for normalization.
bool m_UseGlobalAtlasWeights;
/** Vector of global atlas weights.
* If global weights are used, these are the inverses of each atlas intensity image's correlation with the
* target image. Otherwise, these are all 1.
*/
mutable std::vector<Types::DataItem> m_GlobalAtlasWeights;
/// Compute result for a region.
void ComputeResultForRegion( const Self::TargetRegionType& region, TypedArray& result ) const;
};
} // namespace cmtk
#endif // #ifndef __cmtkLabelCombinationLocalVoting_h_included_
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