MultiGaussianState< N > Class Template Reference

Mixture of multi-variate gaussian states. More...

#include <MultiGaussianState.h>

Public Types
typedef SingleGaussianState< N >::Matrix	Matrix
typedef SingleGaussianState< N >	SingleState
typedef std::vector< SingleStatePtr >	SingleStateContainer
typedef std::shared_ptr< SingleState >	SingleStatePtr
typedef SingleGaussianState< N >::Vector	Vector

Public Member Functions
const SingleStateContainer &	components () const
	access to components (single Gaussian states) More...
const Matrix &	covariance () const
	combined covariance matrix More...
int	dimension () const
	dimension of parameter vector More...
const Vector &	mean () const
	combined mean More...
	MultiGaussianState ()
	MultiGaussianState (const SingleStateContainer &stateV)
void	rescaleWeight (double scale)
	rescale weight More...
void	setWeight (double newWeight)
	renormalize weight More...
double	weight () const
	combined weight More...
const Matrix &	weightMatrix () const
	combined weight matrix More...
	~MultiGaussianState ()

Private Member Functions
void	checkCombinedState () const
	calculation of the combined state (on demand) More...

Private Attributes
SingleStatePtr	theCombinedState
bool	theCombinedStateUp2Date
const SingleStateContainer	theComponents

Detailed Description

template<unsigned int N>
class MultiGaussianState< N >

Mixture of multi-variate gaussian states.

Multi-dimensional multi-Gaussian mixture: weighted sum of single Gaussian components.

Definition at line 18 of file MultiGaussianState.h.

Member Typedef Documentation

Matrix

template<unsigned int N>

typedef SingleGaussianState<N>::Matrix MultiGaussianState< N >::Matrix

Definition at line 21 of file MultiGaussianState.h.

SingleState

template<unsigned int N>

typedef SingleGaussianState<N> MultiGaussianState< N >::SingleState

Definition at line 22 of file MultiGaussianState.h.

SingleStateContainer

template<unsigned int N>

typedef std::vector<SingleStatePtr> MultiGaussianState< N >::SingleStateContainer

Definition at line 25 of file MultiGaussianState.h.

SingleStatePtr

template<unsigned int N>

typedef std::shared_ptr<SingleState> MultiGaussianState< N >::SingleStatePtr

Definition at line 23 of file MultiGaussianState.h.

Vector

template<unsigned int N>

typedef SingleGaussianState<N>::Vector MultiGaussianState< N >::Vector

Definition at line 20 of file MultiGaussianState.h.

Constructor & Destructor Documentation

MultiGaussianState() [1/2]

template<unsigned int N>

MultiGaussianState< N >::MultiGaussianState ( )

inline

Definition at line 28 of file MultiGaussianState.h.

                       : theCombinedStateUp2Date(false) {
    //     ++instances_;++maxInstances_;
    //     std::cout << "MultiGaussianState() " << N << " " << instances_ << std::endl;
  }

MultiGaussianState() [2/2]

template<unsigned int N>

MultiGaussianState< N >::MultiGaussianState ( const SingleStateContainer &  stateV )

inline

Definition at line 33 of file MultiGaussianState.h.

                                                         : theComponents(stateV), theCombinedStateUp2Date(false) {
    //     theComponents[0]->rescaleWeight(1.);
    //     ++instances_;++maxInstances_;
    //     std::cout << "MultiGaussianState(const SingleStateContainer&) " << N << " "
    //        << instances_ << std::endl;
  }

~MultiGaussianState()

template<unsigned int N>

MultiGaussianState< N >::~MultiGaussianState ( )

inline

Definition at line 48 of file MultiGaussianState.h.

                        {
    //     --instances_;
    //     std::cout << "~MultiGaussianState " << N << " " << instances_ << std::endl;
  }

Member Function Documentation

checkCombinedState()

template<unsigned int N>

void MultiGaussianState< N >::checkCombinedState ( ) const

private

calculation of the combined state (on demand)

components()

template<unsigned int N>

const SingleStateContainer& MultiGaussianState< N >::components ( ) const

inline

access to components (single Gaussian states)

Definition at line 83 of file MultiGaussianState.h.

References MultiGaussianState< N >::theComponents.

{ return theComponents; }

covariance()

template<unsigned int N>

const Matrix& MultiGaussianState< N >::covariance

(

)

const

combined covariance matrix

dimension()

template<unsigned int N>

int MultiGaussianState< N >::dimension ( ) const

inline

dimension of parameter vector

Definition at line 85 of file MultiGaussianState.h.

References N.

{ return N; }

mean()

template<unsigned int N>

const Vector& MultiGaussianState< N >::mean

(

)

const

combined mean

rescaleWeight()

template<unsigned int N>

void MultiGaussianState< N >::rescaleWeight

(

double

scale

)

rescale weight

setWeight()

template<unsigned int N>

void MultiGaussianState< N >::setWeight

(

double

newWeight

)

renormalize weight

weight()

template<unsigned int N>

double MultiGaussianState< N >::weight

(

)

const

combined weight

Creates a new multi-state with the given components. For this base class, no information is passed from the initial instance. Creates a new single-state with the given information. For this base class, no information is passed from the initial instance.

weightMatrix()

template<unsigned int N>

const Matrix& MultiGaussianState< N >::weightMatrix

(

)

const

combined weight matrix

Member Data Documentation

theCombinedState

template<unsigned int N>

SingleStatePtr MultiGaussianState< N >::theCombinedState

mutableprivate

Definition at line 99 of file MultiGaussianState.h.

theCombinedStateUp2Date

template<unsigned int N>

bool MultiGaussianState< N >::theCombinedStateUp2Date

mutableprivate

Definition at line 100 of file MultiGaussianState.h.

theComponents

template<unsigned int N>

const SingleStateContainer MultiGaussianState< N >::theComponents

private

Definition at line 98 of file MultiGaussianState.h.

Referenced by MultiGaussianState< N >::components().