#include <itkMahalanobisDistanceMetric.h>

Inheritance diagram for itk::Statistics::MahalanobisDistanceMetric< TVector >:

Collaboration diagram for itk::Statistics::MahalanobisDistanceMetric< TVector >:

Detailed Description

template<typename TVector>
class itk::Statistics::MahalanobisDistanceMetric< TVector >

MahalanobisDistanceMetric class computes a Mahalanobis distance given a mean and covariance.

See Also: DistanceMetric; EuclideanDistanceMetric; EuclideanSquareDistanceMetric

Definition at line 46 of file itkMahalanobisDistanceMetric.h.

Public Types
typedef SmartPointer< const Self >	ConstPointer

typedef vnl_matrix< double >	CovarianceMatrixType

typedef Superclass::OriginType	MeanVectorType

typedef Superclass::MeasurementVectorSizeType	MeasurementVectorSizeType

typedef Superclass::MeasurementVectorType	MeasurementVectorType

typedef SmartPointer< Self >	Pointer

typedef MahalanobisDistanceMetric	Self

typedef DistanceMetric< TVector >	Superclass

Public Types inherited from itk::Statistics::DistanceMetric< TVector >
typedef SmartPointer< const Self >	ConstPointer

typedef unsigned int	MeasurementVectorSizeType

typedef TVector	MeasurementVectorType

typedef Array< double >	OriginType

typedef SmartPointer< Self >	Pointer

typedef DistanceMetric	Self

typedef FunctionBase< TVector, double >	Superclass

Public Types inherited from itk::FunctionBase< TVector, double >
typedef SmartPointer< const Self >	ConstPointer

typedef TVector	InputType

typedef double	OutputType

typedef SmartPointer< Self >	Pointer

typedef FunctionBase	Self

typedef Object	Superclass

Public Types inherited from itk::Object
typedef SmartPointer< const Self >	ConstPointer

typedef SmartPointer< Self >	Pointer

typedef Object	Self

typedef LightObject	Superclass

Public Types inherited from itk::LightObject
typedef SmartPointer< const Self >	ConstPointer

typedef SmartPointer< Self >	Pointer

typedef LightObject	Self

Public Member Functions
double	Evaluate (const MeasurementVectorType &measurement) const override

double	Evaluate (const MeasurementVectorType &x1, const MeasurementVectorType &x2) const override

virtual const CovarianceMatrixType &	GetCovariance () const

virtual double	GetDoubleMax () const

virtual const CovarianceMatrixType &	GetInverseCovariance () const

const MeanVectorType &	GetMean () const

void	SetCovariance (const CovarianceMatrixType &cov)

virtual void	SetDoubleMax (double _arg)

void	SetInverseCovariance (const CovarianceMatrixType &invcov)

void	SetMean (const MeanVectorType &mean)

virtual void	SetMeasurementVectorSize (MeasurementVectorSizeType) override


virtual void	SetEpsilon (double _arg)

virtual double	GetEpsilon () const

Public Member Functions inherited from itk::Statistics::DistanceMetric< TVector >
virtual MeasurementVectorSizeType	GetMeasurementVectorSize () const

virtual const OriginType &	GetOrigin () const

void	SetOrigin (const OriginType &x)

Public Member Functions inherited from itk::Object
unsigned long	AddObserver (const EventObject &event, Command *)

unsigned long	AddObserver (const EventObject &event, Command *) const

virtual void	DebugOff () const

virtual void	DebugOn () const

Command *	GetCommand (unsigned long tag)

bool	GetDebug () const

MetaDataDictionary &	GetMetaDataDictionary ()

const MetaDataDictionary &	GetMetaDataDictionary () const

virtual ModifiedTimeType	GetMTime () const

virtual const TimeStamp &	GetTimeStamp () const

bool	HasObserver (const EventObject &event) const

void	InvokeEvent (const EventObject &)

void	InvokeEvent (const EventObject &) const

virtual void	Modified () const

virtual void	Register () const override

void	RemoveAllObservers ()

void	RemoveObserver (unsigned long tag)

void	SetDebug (bool debugFlag) const

void	SetMetaDataDictionary (const MetaDataDictionary &rhs)

virtual void	SetReferenceCount (int) override

virtual void	UnRegister () const noexceptoverride

virtual void	SetObjectName (std::string _arg)

virtual const std::string &	GetObjectName () const

Public Member Functions inherited from itk::LightObject
virtual void	Delete ()

virtual int	GetReferenceCount () const

	itkCloneMacro (Self)

void	Print (std::ostream &os, Indent indent=0) const

Protected Member Functions
	MahalanobisDistanceMetric ()

void	PrintSelf (std::ostream &os, Indent indent) const override

virtual	~MahalanobisDistanceMetric (void) override

Protected Member Functions inherited from itk::Statistics::DistanceMetric< TVector >
	DistanceMetric ()

virtual	~DistanceMetric () override

Protected Member Functions inherited from itk::FunctionBase< TVector, double >
	FunctionBase ()

	~FunctionBase () override

Protected Member Functions inherited from itk::Object
	Object ()

bool	PrintObservers (std::ostream &os, Indent indent) const

virtual void	SetTimeStamp (const TimeStamp &time)

virtual	~Object () override

Protected Member Functions inherited from itk::LightObject
virtual LightObject::Pointer	InternalClone () const

	LightObject ()

virtual void	PrintHeader (std::ostream &os, Indent indent) const

virtual void	PrintTrailer (std::ostream &os, Indent indent) const

virtual	~LightObject ()

Private Member Functions
void	CalculateInverseCovariance ()

Private Attributes
CovarianceMatrixType	m_Covariance

double	m_DoubleMax

double	m_Epsilon

CovarianceMatrixType	m_InverseCovariance

MeanVectorType	m_Mean

virtual const char *	GetNameOfClass () const

virtual ::itk::LightObject::Pointer	CreateAnother () const

static Pointer	New ()

Additional Inherited Members
Static Public Member Functions inherited from itk::Object
static bool	GetGlobalWarningDisplay ()

static void	GlobalWarningDisplayOff ()

static void	GlobalWarningDisplayOn ()

static Pointer	New ()

static void	SetGlobalWarningDisplay (bool flag)

Static Public Member Functions inherited from itk::LightObject
static void	BreakOnError ()

static Pointer	New ()

Protected Attributes inherited from itk::LightObject
AtomicInt< int >	m_ReferenceCount

Member Typedef Documentation

template<typename TVector >

typedef SmartPointer< const Self > itk::Statistics::MahalanobisDistanceMetric< TVector >::ConstPointer

Definition at line 54 of file itkMahalanobisDistanceMetric.h.

template<typename TVector >

typedef vnl_matrix< double > itk::Statistics::MahalanobisDistanceMetric< TVector >::CovarianceMatrixType

Type used for representing the covariance matrix

Definition at line 71 of file itkMahalanobisDistanceMetric.h.

template<typename TVector >

typedef Superclass::OriginType itk::Statistics::MahalanobisDistanceMetric< TVector >::MeanVectorType

Type used for representing the mean vector

Definition at line 68 of file itkMahalanobisDistanceMetric.h.

template<typename TVector >

typedef Superclass::MeasurementVectorSizeType itk::Statistics::MahalanobisDistanceMetric< TVector >::MeasurementVectorSizeType

Typedef to represent the length of measurement vectors

Definition at line 65 of file itkMahalanobisDistanceMetric.h.

template<typename TVector >

typedef Superclass::MeasurementVectorType itk::Statistics::MahalanobisDistanceMetric< TVector >::MeasurementVectorType

Typedef to represent the measurement vector type

Definition at line 58 of file itkMahalanobisDistanceMetric.h.

template<typename TVector >

typedef SmartPointer< Self > itk::Statistics::MahalanobisDistanceMetric< TVector >::Pointer

Definition at line 53 of file itkMahalanobisDistanceMetric.h.

template<typename TVector >

typedef MahalanobisDistanceMetric itk::Statistics::MahalanobisDistanceMetric< TVector >::Self

Standard class typedefs

Definition at line 51 of file itkMahalanobisDistanceMetric.h.

template<typename TVector >

typedef DistanceMetric< TVector > itk::Statistics::MahalanobisDistanceMetric< TVector >::Superclass

Definition at line 52 of file itkMahalanobisDistanceMetric.h.

Constructor & Destructor Documentation

template<typename TVector >

itk::Statistics::MahalanobisDistanceMetric< TVector >::MahalanobisDistanceMetric ( )

protected

template<typename TVector >

virtual itk::Statistics::MahalanobisDistanceMetric< TVector >::~MahalanobisDistanceMetric ( void )

inlineoverrideprotectedvirtual

Definition at line 116 of file itkMahalanobisDistanceMetric.h.

Member Function Documentation

template<typename TVector >

void itk::Statistics::MahalanobisDistanceMetric< TVector >::CalculateInverseCovariance ( )

private

template<typename TVector >

virtual::itk::LightObject::Pointer itk::Statistics::MahalanobisDistanceMetric< TVector >::CreateAnother ( ) const

virtual

Strandard macros

Reimplemented from itk::Object.

template<typename TVector >

double itk::Statistics::MahalanobisDistanceMetric< TVector >::Evaluate ( const MeasurementVectorType & measurement ) const

overridevirtual

Method to get probability of an instance. The return value is the value of the density function, not probability.

Implements itk::Statistics::DistanceMetric< TVector >.

template<typename TVector >

double itk::Statistics::MahalanobisDistanceMetric< TVector >::Evaluate	(	const MeasurementVectorType &	x1,
		const MeasurementVectorType &	x2
	)		const

overridevirtual

Gets the distance between x1 and x2.

Implements itk::Statistics::DistanceMetric< TVector >.

template<typename TVector >

virtual const CovarianceMatrixType& itk::Statistics::MahalanobisDistanceMetric< TVector >::GetCovariance ( ) const

virtual

Method to get covariance matrix

template<typename TVector >

virtual double itk::Statistics::MahalanobisDistanceMetric< TVector >::GetDoubleMax ( ) const

virtual

template<typename TVector >

virtual double itk::Statistics::MahalanobisDistanceMetric< TVector >::GetEpsilon ( ) const

virtual

Set/Get tolerance values

template<typename TVector >

virtual const CovarianceMatrixType& itk::Statistics::MahalanobisDistanceMetric< TVector >::GetInverseCovariance ( ) const

virtual

Method to get covariance matrix

template<typename TVector >

const MeanVectorType& itk::Statistics::MahalanobisDistanceMetric< TVector >::GetMean ( ) const

Method to get mean

template<typename TVector >

virtual const char* itk::Statistics::MahalanobisDistanceMetric< TVector >::GetNameOfClass ( ) const

virtual

Strandard macros

Reimplemented from itk::Statistics::DistanceMetric< TVector >.

template<typename TVector >

static Pointer itk::Statistics::MahalanobisDistanceMetric< TVector >::New ( )

static

Strandard macros

template<typename TVector >

void itk::Statistics::MahalanobisDistanceMetric< TVector >::PrintSelf	(	std::ostream &	os,
		Indent	indent
	)		const

overrideprotectedvirtual

Methods invoked by Print() to print information about the object including superclasses. Typically not called by the user (use Print() instead) but used in the hierarchical print process to combine the output of several classes.

Reimplemented from itk::Statistics::DistanceMetric< TVector >.

template<typename TVector >

void itk::Statistics::MahalanobisDistanceMetric< TVector >::SetCovariance ( const CovarianceMatrixType & cov )

Method to set covariance matrix Also, this function calculates inverse covariance and pre factor of MahalanobisDistance Distribution to speed up GetProbability

template<typename TVector >

virtual void itk::Statistics::MahalanobisDistanceMetric< TVector >::SetDoubleMax ( double _arg )

virtual

template<typename TVector >

virtual void itk::Statistics::MahalanobisDistanceMetric< TVector >::SetEpsilon ( double _arg )

virtual

Set/Get tolerance values

template<typename TVector >

void itk::Statistics::MahalanobisDistanceMetric< TVector >::SetInverseCovariance ( const CovarianceMatrixType & invcov )

Method to set inverse covariance matrix

template<typename TVector >

void itk::Statistics::MahalanobisDistanceMetric< TVector >::SetMean ( const MeanVectorType & mean )