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/*=========================================================================
Program: Advanced Normalization Tools
Module: $RCSfile: itkLabelOverlapMeasuresImageFilter.h,v $
Language: C++
Date: $Date: $
Version: $Revision: $
Copyright (c) ConsortiumOfANTS. All rights reserved.
See accompanying COPYING.txt or
http://sourceforge.net/projects/advants/files/ANTS/ANTSCopyright.txt 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 __itkLabelOverlapMeasuresImageFilter_h
#define __itkLabelOverlapMeasuresImageFilter_h
#include "itkImageToImageFilter.h"
#include "itkFastMutexLock.h"
#include "itkNumericTraits.h"
#include "itksys/hash_map.hxx"
namespace itk
{
/** \class LabelOverlapMeasuresImageFilter
* \brief Computes overlap measures between the set same set of labels of
* pixels of two images. Background is assumed to be 0.
*
* \sa LabelOverlapMeasuresImageFilter
*
* \ingroup MultiThreaded
*/
template <class TLabelImage>
class LabelOverlapMeasuresImageFilter :
public ImageToImageFilter<TLabelImage, TLabelImage>
{
public:
/** Standard Self typedef */
typedef LabelOverlapMeasuresImageFilter Self;
typedef ImageToImageFilter<TLabelImage, TLabelImage> Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Method for creation through the object factory. */
itkNewMacro( Self );
/** Runtime information support. */
itkTypeMacro( LabelOverlapMeasuresImageFilter, ImageToImageFilter );
/** Image related typedefs. */
typedef TLabelImage LabelImageType;
typedef typename TLabelImage::Pointer LabelImagePointer;
typedef typename TLabelImage::ConstPointer LabelImageConstPointer;
typedef typename TLabelImage::RegionType RegionType;
typedef typename TLabelImage::SizeType SizeType;
typedef typename TLabelImage::IndexType IndexType;
typedef typename TLabelImage::PixelType LabelType;
/** Type to use form computations. */
typedef typename NumericTraits<LabelType>::RealType RealType;
/** \class LabelLabelOverlapMeasuress
* \brief Metrics stored per label */
class LabelSetMeasures
{
public:
// default constructor
LabelSetMeasures()
{
m_Source = 0;
m_Target = 0;
m_Union = 0;
m_Intersection = 0;
m_SourceComplement = 0;
m_TargetComplement = 0;
}
// added for completeness
LabelSetMeasures & operator=( const LabelSetMeasures& l )
{
m_Source = l.m_Source;
m_Target = l.m_Target;
m_Union = l.m_Union;
m_Intersection = l.m_Intersection;
m_SourceComplement = l.m_SourceComplement;
m_TargetComplement = l.m_TargetComplement;
}
unsigned long m_Source;
unsigned long m_Target;
unsigned long m_Union;
unsigned long m_Intersection;
unsigned long m_SourceComplement;
unsigned long m_TargetComplement;
};
/** Type of the map used to store data per label */
typedef itksys::hash_map<LabelType, LabelSetMeasures> MapType;
typedef typename MapType::iterator MapIterator;
typedef typename MapType::const_iterator MapConstIterator;
/** Image related typedefs. */
itkStaticConstMacro( ImageDimension, unsigned int,
TLabelImage::ImageDimension );
/** Set the source image. */
void SetSourceImage( const LabelImageType * image )
{
this->SetNthInput( 0, const_cast<LabelImageType *>( image ) );
}
/** Set the target image. */
void SetTargetImage( const LabelImageType * image )
{
this->SetNthInput( 1, const_cast<LabelImageType *>( image ) );
}
/** Get the source image. */
const LabelImageType * GetSourceImage( void )
{
return this->GetInput( 0 );
}
/** Get the target image. */
const LabelImageType * GetTargetImage( void )
{
return this->GetInput( 1 );
}
/** Get the label set measures */
MapType GetLabelSetMeasures()
{
return this->m_LabelSetMeasures;
}
/**
* tric overlap measures
*/
/** measures over all labels */
RealType GetTotalOverlap();
RealType GetUnionOverlap();
RealType GetMeanOverlap();
RealType GetVolumeSimilarity();
RealType GetFalseNegativeError();
RealType GetFalsePositiveError();
/** measures over individual labels */
RealType GetTargetOverlap( LabelType );
RealType GetUnionOverlap( LabelType );
RealType GetMeanOverlap( LabelType );
RealType GetVolumeSimilarity( LabelType );
RealType GetFalseNegativeError( LabelType );
RealType GetFalsePositiveError( LabelType );
/** alternative names */
RealType GetJaccardCoefficient()
{
return this->GetUnionOverlap();
}
RealType GetJaccardCoefficient( LabelType label )
{
return this->GetUnionOverlap( label );
}
RealType GetDiceCoefficient()
{
return this->GetMeanOverlap();
}
RealType GetDiceCoefficient( LabelType label )
{
return this->GetMeanOverlap( label );
}
#ifdef ITK_USE_CONCEPT_CHECKING
/** Begin concept checking */
itkConceptMacro( Input1HasNumericTraitsCheck,
( Concept::HasNumericTraits<LabelType> ) );
/** End concept checking */
#endif
protected:
LabelOverlapMeasuresImageFilter();
~LabelOverlapMeasuresImageFilter()
{
};
void PrintSelf( std::ostream& os, Indent indent ) const ITK_OVERRIDE;
/**
* Pass the input through unmodified. Do this by setting the output to the
* source this by setting the output to the source image in the
* AllocateOutputs() method.
*/
void AllocateOutputs() ITK_OVERRIDE;
void BeforeThreadedGenerateData() ITK_OVERRIDE;
void AfterThreadedGenerateData() ITK_OVERRIDE;
/** Multi-thread version GenerateData. */
void ThreadedGenerateData( const RegionType &, ThreadIdType ) ITK_OVERRIDE;
// Override since the filter needs all the data for the algorithm
void GenerateInputRequestedRegion() ITK_OVERRIDE;
// Override since the filter produces all of its output
void EnlargeOutputRequestedRegion( DataObject *data ) ITK_OVERRIDE;
private:
LabelOverlapMeasuresImageFilter( const Self & ); // purposely not implemented
void operator=( const Self & ); // purposely not implemented
std::vector<MapType> m_LabelSetMeasuresPerThread;
MapType m_LabelSetMeasures;
SimpleFastMutexLock m_Mutex;
}; // end of class
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkLabelOverlapMeasuresImageFilter.hxx"
#endif
#endif
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