#include <FactorAnalysis.h>

Collaboration diagram for FactorAnalysisStat:

Public Member Functions
	FactorAnalysisStat (XList &, FeatureServer &, Config &config)
	Constructors with XList of a string.
	FactorAnalysisStat (String &, FeatureServer &, Config &config)
	~FactorAnalysisStat ()
void	computeAndAccumulateGeneralFAStats (FeatureServer &, Config &config)
	Estimate General FA statistics N,S,F.
void	computeAndAccumulateGeneralFAStats (SegCluster &, FeatureServer &, Config &config)
void	getXEstimate ()
	Estimate Channel factors loading.
void	getYEstimate ()
	Estimate Channel factors loading.
void	getUEstimate (Config &)
	Estimate SubSpace.
void	getUEstimateUnThreaded ()
void	estimateAndInverseL (Config &)
	Cholesky inversion of L matrices.
void	estimateAndInverseLUnThreaded ()
double	getLLK (SegCluster &, MixtureGD &, FeatureServer &, Config &)
	Log Likelihood computations.
void	substractSpeakerStats ()
	Substract stats to get X and Y estimate.
void	substractChannelStats ()
void	normalizeFeatures (FeatureServer &, Config &)
	Feature normalization through smooth mixture transformation.
void	normalizeFeatures (SegCluster &selectedSegments, FeatureServer &fs, Config &config)
	Normalize features with a smooth mixture transformation o't=ot-sum(P(c\|ot)Uc.x)
void	estimateXYAndNorm (FeatureServer &, Config &)
	High Level functions, estimate X and Y and normalize features on a segcluster of featureServer.
void	estimateXYAndNorm (SegCluster &, FeatureServer &, Config &)
void	getUX (RealVector< double > &, String &)
	Compute Supervectors for a file, either Ux or M+DY.
void	getMplusDY (RealVector< double > &, String &)
void	setYFromModel (MixtureGD &, String &)
	Return models.
void	estimateXForKnownSpeaker (MixtureGD &, String &, Config &)
void	getTrueSpeakerModel (MixtureGD &, String &)
void	getSpeakerModel (MixtureGD &, String &)
void	getSessionModel (MixtureGD &, String &)
void	getFactorAnalysisModel (MixtureGD &, String &)
	Compute Factor Analysis model to perform likelihood computation in the classical way.
void	resetAcc ()
	Reset Accumulators.
void	resetXY ()
void	storeAccs ()
	Store Accumulators in temporary variables.
void	restoreAccs ()
	Restore Accumulators in temporary variables.
void	saveAccs (Config &config)
	Save Accumulators on disk.
void	loadAccs (Config &config)
	Load Accumulators from disk.
MixtureServer &	getMixtureServer ()
	Accessors.
StatServer &	getStatServer ()
XList &	getFileList ()
unsigned long &	getNbEx ()
Matrix< double > &	getU ()
Matrix< double > &	getY ()
Matrix< double > &	getX ()
RealVector< double > &	getD ()
unsigned long	getRank ()
void	setU (Matrix< double > &U)
void	setX (Matrix< double > &X)
void	setY (Matrix< double > &Y)
Public Attributes
Translate	_ndxTable
	Association between filename and indexes of speaker and sessions.
Private Member Functions
void	_init (XList &, FeatureServer &, Config &)
	Main functions to initialize values.
Private Attributes
XList	fileList
unsigned long	_vsize
unsigned long	_mixsize
unsigned long	_supervsize
unsigned long	_rang
unsigned long	_nb_speakers
unsigned long	_nb_sent
double	_tau
	Regulation factor.
bool	_topGauss
MixtureServer	_ms
StatServer	_ss
Matrix< double >	_matX
Matrix< double >	_matY
RealVector< double >	_D
Matrix< double >	_matU
Matrix< double >	_matS_X
	Accumulators.
Matrix< double >	_matS_X_h
Matrix< double >	_matN
Matrix< double >	_matN_h
Matrix< double >	matcS_X
	Copy of accumulators.
Matrix< double >	matcS_X_h
Matrix< double >	matcN
Matrix< double >	matcN_h
RefVector< DoubleSquareMatrix >	_l_h_inv
	Inverse of L matrices.
RealVector< double >	_super_mean
	UBM SVs.
RealVector< double >	_super_invvar

Detailed Description

Definition at line 121 of file FactorAnalysis.h.

Constructor & Destructor Documentation

FactorAnalysisStat::FactorAnalysisStat	(	XList &	ndx,
		FeatureServer &	fs,
		Config &	config
	)

Constructors with XList of a string.

Definition at line 81 of file FactorAnalysis.cpp.

References _init().

FactorAnalysisStat::FactorAnalysisStat	(	String &	featFilename,
		FeatureServer &	fs,
		Config &	config
	)

Definition at line 73 of file FactorAnalysis.cpp.

References _init().

FactorAnalysisStat::~FactorAnalysisStat ( ) [inline]

Definition at line 172 of file FactorAnalysis.h.

Member Function Documentation

void FactorAnalysisStat::_init	(	XList &	ndx,
		FeatureServer &	fs,
		Config &	config
	)		`[private]`

Main functions to initialize values.

Definition at line 85 of file FactorAnalysis.cpp.

References _D, _l_h_inv, _matN, _matN_h, _matS_X, _matS_X_h, _matU, _matX, _matY, _mixsize, _ms, _nb_sent, _nb_speakers, _ndxTable, _rang, _super_invvar, _super_mean, _supervsize, _tau, _topGauss, _vsize, fileList, verbose, and verboseLevel.

Referenced by FactorAnalysisStat().

void FactorAnalysisStat::computeAndAccumulateGeneralFAStats	(	FeatureServer &	fs,
		Config &	config
	)

Estimate General FA statistics N,S,F.

Definition at line 163 of file FactorAnalysis.cpp.

References fileList, initializeClusters(), and verifyClusterFile().

Referenced by EigenChannel(), estimateXYAndNorm(), and TrainTargetFA().

void FactorAnalysisStat::computeAndAccumulateGeneralFAStats	(	SegCluster &	selectedSegments,
		FeatureServer &	fs,
		Config &	config
	)

Definition at line 173 of file FactorAnalysis.cpp.

References _matN, _matN_h, _matS_X, _matS_X_h, _mixsize, _ms, _ndxTable, _ss, _supervsize, _topGauss, _vsize, Translate::locNb(), Translate::sessionNb(), and verbose.

void FactorAnalysisStat::estimateAndInverseL ( Config & config )

Cholesky inversion of L matrices.

Definition at line 409 of file FactorAnalysis.cpp.

References estimateAndInverseLUnThreaded().

Referenced by EigenChannel(), estimateXYAndNorm(), and TrainTargetFA().

void FactorAnalysisStat::estimateAndInverseLUnThreaded ( )

Definition at line 418 of file FactorAnalysis.cpp.

References _l_h_inv, _matN_h, _matU, _mixsize, _rang, _super_invvar, _supervsize, _vsize, fileList, and verbose.

Referenced by estimateAndInverseL().

void FactorAnalysisStat::estimateXForKnownSpeaker	(	MixtureGD &	M,
		String &	file,
		Config &	config
	)

Definition at line 896 of file FactorAnalysis.cpp.

References _matU, _matX, _rang, _supervsize, getXEstimate(), modelToSv(), resetXY(), setYFromModel(), substractSpeakerStats(), svToModel(), and verbose.

void FactorAnalysisStat::estimateXYAndNorm	(	SegCluster &	selectedSegments,
		FeatureServer &	fs,
		Config &	config
	)

Definition at line 1078 of file FactorAnalysis.cpp.

References computeAndAccumulateGeneralFAStats(), estimateAndInverseL(), getXEstimate(), getYEstimate(), normalizeFeatures(), resetXY(), substractChannelStats(), substractSpeakerStats(), and verbose.

void FactorAnalysisStat::estimateXYAndNorm	(	FeatureServer &	fs,
		Config &	config
	)

High Level functions, estimate X and Y and normalize features on a segcluster of featureServer.

Definition at line 1063 of file FactorAnalysis.cpp.

References computeAndAccumulateGeneralFAStats(), estimateAndInverseL(), getXEstimate(), getYEstimate(), normalizeFeatures(), resetXY(), substractChannelStats(), substractSpeakerStats(), and verbose.

Referenced by ComputeTestFA(), and normFeatFA().

RealVector<double>& FactorAnalysisStat::getD ( ) [inline]

Definition at line 292 of file FactorAnalysis.h.

void FactorAnalysisStat::getFactorAnalysisModel	(	MixtureGD &	FA,
		String &	file
	)

Compute Factor Analysis model to perform likelihood computation in the classical way.

Compute sigma_s

Compute sigma_s+*sigma_w

Definition at line 835 of file FactorAnalysis.cpp.

References _matN, _mixsize, _ndxTable, _tau, _vsize, getTrueSpeakerModel(), Translate::locNb(), and verbose.

Referenced by TrainTargetFA(), and verifyEMLK().

XList& FactorAnalysisStat::getFileList ( ) [inline]

Definition at line 282 of file FactorAnalysis.h.

double FactorAnalysisStat::getLLK	(	SegCluster &	selectedSegments,
		MixtureGD &	model,
		FeatureServer &	fs,
		Config &	config
	)

Log Likelihood computations.

Compute Log Likelihood of the Factor Analysis model.

Definition at line 864 of file FactorAnalysis.cpp.

References _ss, and verbose.

Referenced by TrainTargetFA(), and verifyEMLK().

MixtureServer& FactorAnalysisStat::getMixtureServer ( ) [inline]

Accessors.

Definition at line 278 of file FactorAnalysis.h.

void FactorAnalysisStat::getMplusDY	(	RealVector< double > &	Sp,
		String &	file
	)

Definition at line 944 of file FactorAnalysis.cpp.

References _D, _matY, _ndxTable, _super_mean, _supervsize, and Translate::locNb().

Referenced by getSpeakerModel(), getTrueSpeakerModel(), and substractSpeakerStats().

unsigned long& FactorAnalysisStat::getNbEx ( ) [inline]

Definition at line 284 of file FactorAnalysis.h.

unsigned long FactorAnalysisStat::getRank ( ) [inline]

Definition at line 294 of file FactorAnalysis.h.

void FactorAnalysisStat::getSessionModel	(	MixtureGD &	M,
		String &	file
	)

Definition at line 934 of file FactorAnalysis.cpp.

References _super_mean, _supervsize, getUX(), svToModel(), and verbose.

Referenced by TrainTargetFA().

void FactorAnalysisStat::getSpeakerModel	(	MixtureGD &	M,
		String &	file
	)

Definition at line 952 of file FactorAnalysis.cpp.

References _supervsize, getMplusDY(), getUX(), and svToModel().

Referenced by normalizeFeatures(), and verifyEMLK().

StatServer& FactorAnalysisStat::getStatServer ( ) [inline]

Definition at line 280 of file FactorAnalysis.h.

void FactorAnalysisStat::getTrueSpeakerModel	(	MixtureGD &	M,
		String &	file
	)

Definition at line 926 of file FactorAnalysis.cpp.

References getMplusDY(), svToModel(), and verbose.

Referenced by getFactorAnalysisModel(), and TrainTargetFA().

Matrix<double>& FactorAnalysisStat::getU ( ) [inline]

Definition at line 286 of file FactorAnalysis.h.

Referenced by EigenChannel().

void FactorAnalysisStat::getUEstimate ( Config & config )

Estimate SubSpace.

Definition at line 578 of file FactorAnalysis.cpp.

References getUEstimateUnThreaded().

Referenced by EigenChannel().

void FactorAnalysisStat::getUEstimateUnThreaded ( )

Definition at line 587 of file FactorAnalysis.cpp.

References _l_h_inv, _matN_h, _matS_X_h, _matU, _matX, _mixsize, _nb_sent, _rang, _vsize, and verbose.

Referenced by getUEstimate().

void FactorAnalysisStat::getUX	(	RealVector< double > &	ux,
		String &	file
	)

Compute Supervectors for a file, either Ux or M+DY.

Definition at line 917 of file FactorAnalysis.cpp.

References _matU, _matX, _ndxTable, _rang, _supervsize, and Translate::sessionNb().

Referenced by getSessionModel(), getSpeakerModel(), normalizeFeatures(), and substractChannelStats().

Matrix<double>& FactorAnalysisStat::getX ( ) [inline]

Definition at line 290 of file FactorAnalysis.h.

void FactorAnalysisStat::getXEstimate ( )

Estimate Channel factors loading.

Definition at line 377 of file FactorAnalysis.cpp.

References _l_h_inv, _matS_X_h, _matU, _matX, _ndxTable, _rang, _super_invvar, _supervsize, fileList, Translate::sessionNb(), and verbose.

Referenced by EigenChannel(), estimateXForKnownSpeaker(), estimateXYAndNorm(), and TrainTargetFA().

Matrix<double>& FactorAnalysisStat::getY ( ) [inline]

Definition at line 288 of file FactorAnalysis.h.

void FactorAnalysisStat::getYEstimate ( )

Estimate Channel factors loading.

Definition at line 560 of file FactorAnalysis.cpp.

References _D, _matN, _matS_X, _matY, _nb_speakers, _super_invvar, _supervsize, _tau, _vsize, and verbose.

Referenced by EigenChannel(), estimateXYAndNorm(), and TrainTargetFA().

void FactorAnalysisStat::loadAccs ( Config & config ) [inline]

Load Accumulators from disk.

Definition at line 269 of file FactorAnalysis.h.

References verbose.

Referenced by EigenChannel().

void FactorAnalysisStat::normalizeFeatures	(	FeatureServer &	fs,
		Config &	config
	)

Feature normalization through smooth mixture transformation.

Definition at line 1053 of file FactorAnalysis.cpp.

References fileList, initializeClusters(), and verifyClusterFile().

Referenced by estimateXYAndNorm().

void FactorAnalysisStat::normalizeFeatures	(	SegCluster &	selectedSegments,
		FeatureServer &	fs,
		Config &	config
	)

Normalize features with a smooth mixture transformation o't=ot-sum(P(c|ot)Uc.x)

Definition at line 963 of file FactorAnalysis.cpp.

References _mixsize, _ms, _topGauss, _vsize, getSpeakerModel(), getUX(), and verbose.

void FactorAnalysisStat::resetAcc ( ) [inline]

Reset Accumulators.

Definition at line 229 of file FactorAnalysis.h.

References verbose.

void FactorAnalysisStat::resetXY ( ) [inline]

Definition at line 236 of file FactorAnalysis.h.

Referenced by estimateXForKnownSpeaker(), and estimateXYAndNorm().

void FactorAnalysisStat::restoreAccs ( ) [inline]

Restore Accumulators in temporary variables.

Definition at line 251 of file FactorAnalysis.h.

References verbose.

Referenced by EigenChannel().

void FactorAnalysisStat::saveAccs ( Config & config ) [inline]

Save Accumulators on disk.

Definition at line 260 of file FactorAnalysis.h.

References verbose.

Referenced by EigenChannel().

void FactorAnalysisStat::setU ( Matrix< double > & U ) [inline]

Definition at line 296 of file FactorAnalysis.h.

void FactorAnalysisStat::setX ( Matrix< double > & X ) [inline]

Definition at line 298 of file FactorAnalysis.h.

void FactorAnalysisStat::setY ( Matrix< double > & Y ) [inline]

Definition at line 300 of file FactorAnalysis.h.

void FactorAnalysisStat::setYFromModel	(	MixtureGD &	M,
		String &	file
	)

Return models.

Definition at line 885 of file FactorAnalysis.cpp.

References _D, _matY, _ms, _ndxTable, Translate::locNb(), modelToSv(), and verbose.

Referenced by estimateXForKnownSpeaker().

void FactorAnalysisStat::storeAccs ( ) [inline]

Store Accumulators in temporary variables.

Definition at line 242 of file FactorAnalysis.h.

References verbose.

Referenced by EigenChannel().

void FactorAnalysisStat::substractChannelStats ( )

Definition at line 347 of file FactorAnalysis.cpp.

References _matN_h, _matS_X, _mixsize, _super_mean, _supervsize, _vsize, fileList, getUX(), and verbose.

Referenced by EigenChannel(), estimateXYAndNorm(), and TrainTargetFA().

void FactorAnalysisStat::substractSpeakerStats ( )

Substract stats to get X and Y estimate.

Definition at line 322 of file FactorAnalysis.cpp.

References _matN_h, _matS_X_h, _mixsize, _supervsize, _vsize, fileList, getMplusDY(), verbose, and verboseLevel.

Referenced by EigenChannel(), estimateXForKnownSpeaker(), estimateXYAndNorm(), and TrainTargetFA().

Member Data Documentation

RealVector<double> FactorAnalysisStat::_D [private]

Definition at line 140 of file FactorAnalysis.h.

Referenced by _init(), getMplusDY(), getYEstimate(), and setYFromModel().

RefVector<DoubleSquareMatrix> FactorAnalysisStat::_l_h_inv [private]

Inverse of L matrices.

Definition at line 156 of file FactorAnalysis.h.

Referenced by _init(), estimateAndInverseLUnThreaded(), getUEstimateUnThreaded(), and getXEstimate().

Matrix<double> FactorAnalysisStat::_matN [private]

Definition at line 146 of file FactorAnalysis.h.

Referenced by _init(), computeAndAccumulateGeneralFAStats(), getFactorAnalysisModel(), and getYEstimate().

Matrix<double> FactorAnalysisStat::_matN_h [private]

Definition at line 147 of file FactorAnalysis.h.

Referenced by _init(), computeAndAccumulateGeneralFAStats(), estimateAndInverseLUnThreaded(), getUEstimateUnThreaded(), substractChannelStats(), and substractSpeakerStats().

Matrix<double> FactorAnalysisStat::_matS_X [private]

Accumulators.

Definition at line 144 of file FactorAnalysis.h.

Referenced by _init(), computeAndAccumulateGeneralFAStats(), getYEstimate(), and substractChannelStats().

Matrix<double> FactorAnalysisStat::_matS_X_h [private]

Definition at line 145 of file FactorAnalysis.h.

Referenced by _init(), computeAndAccumulateGeneralFAStats(), getUEstimateUnThreaded(), getXEstimate(), and substractSpeakerStats().

Matrix<double> FactorAnalysisStat::_matU [private]

Definition at line 141 of file FactorAnalysis.h.

Referenced by _init(), estimateAndInverseLUnThreaded(), estimateXForKnownSpeaker(), getUEstimateUnThreaded(), getUX(), and getXEstimate().

Matrix<double> FactorAnalysisStat::_matX [private]

Definition at line 138 of file FactorAnalysis.h.

Referenced by _init(), estimateXForKnownSpeaker(), getUEstimateUnThreaded(), getUX(), and getXEstimate().

Matrix<double> FactorAnalysisStat::_matY [private]

Definition at line 139 of file FactorAnalysis.h.

Referenced by _init(), getMplusDY(), getYEstimate(), and setYFromModel().

unsigned long FactorAnalysisStat::_mixsize [private]

Definition at line 125 of file FactorAnalysis.h.

Referenced by _init(), computeAndAccumulateGeneralFAStats(), estimateAndInverseLUnThreaded(), getFactorAnalysisModel(), getUEstimateUnThreaded(), normalizeFeatures(), substractChannelStats(), and substractSpeakerStats().

MixtureServer FactorAnalysisStat::_ms [private]

Definition at line 135 of file FactorAnalysis.h.

Referenced by _init(), computeAndAccumulateGeneralFAStats(), normalizeFeatures(), and setYFromModel().

unsigned long FactorAnalysisStat::_nb_sent [private]

Definition at line 129 of file FactorAnalysis.h.

Referenced by _init(), and getUEstimateUnThreaded().

unsigned long FactorAnalysisStat::_nb_speakers [private]

Definition at line 128 of file FactorAnalysis.h.

Referenced by _init(), and getYEstimate().

Translate FactorAnalysisStat::_ndxTable

Association between filename and indexes of speaker and sessions.

Definition at line 167 of file FactorAnalysis.h.

Referenced by _init(), computeAndAccumulateGeneralFAStats(), getFactorAnalysisModel(), getMplusDY(), getUX(), getXEstimate(), and setYFromModel().

unsigned long FactorAnalysisStat::_rang [private]

Definition at line 127 of file FactorAnalysis.h.

Referenced by _init(), estimateAndInverseLUnThreaded(), estimateXForKnownSpeaker(), getUEstimateUnThreaded(), getUX(), and getXEstimate().

StatServer FactorAnalysisStat::_ss [private]

Definition at line 136 of file FactorAnalysis.h.

Referenced by computeAndAccumulateGeneralFAStats(), and getLLK().

RealVector<double> FactorAnalysisStat::_super_invvar [private]

Definition at line 160 of file FactorAnalysis.h.

Referenced by _init(), estimateAndInverseLUnThreaded(), getXEstimate(), and getYEstimate().

RealVector<double> FactorAnalysisStat::_super_mean [private]

UBM SVs.

Definition at line 159 of file FactorAnalysis.h.

Referenced by _init(), getMplusDY(), getSessionModel(), and substractChannelStats().

unsigned long FactorAnalysisStat::_supervsize [private]

Definition at line 126 of file FactorAnalysis.h.

Referenced by _init(), computeAndAccumulateGeneralFAStats(), estimateAndInverseLUnThreaded(), estimateXForKnownSpeaker(), getMplusDY(), getSessionModel(), getSpeakerModel(), getUX(), getXEstimate(), getYEstimate(), substractChannelStats(), and substractSpeakerStats().

double FactorAnalysisStat::_tau [private]

Regulation factor.

Definition at line 131 of file FactorAnalysis.h.

Referenced by _init(), getFactorAnalysisModel(), and getYEstimate().

bool FactorAnalysisStat::_topGauss [private]

Definition at line 133 of file FactorAnalysis.h.

Referenced by _init(), computeAndAccumulateGeneralFAStats(), and normalizeFeatures().

unsigned long FactorAnalysisStat::_vsize [private]

Definition at line 124 of file FactorAnalysis.h.

Referenced by _init(), computeAndAccumulateGeneralFAStats(), estimateAndInverseLUnThreaded(), getFactorAnalysisModel(), getUEstimateUnThreaded(), getYEstimate(), normalizeFeatures(), substractChannelStats(), and substractSpeakerStats().

XList FactorAnalysisStat::fileList [private]

Definition at line 123 of file FactorAnalysis.h.

Referenced by _init(), computeAndAccumulateGeneralFAStats(), estimateAndInverseLUnThreaded(), getXEstimate(), normalizeFeatures(), substractChannelStats(), and substractSpeakerStats().

Matrix<double> FactorAnalysisStat::matcN [private]

Definition at line 152 of file FactorAnalysis.h.

Matrix<double> FactorAnalysisStat::matcN_h [private]

Definition at line 153 of file FactorAnalysis.h.

Matrix<double> FactorAnalysisStat::matcS_X [private]

Copy of accumulators.

Definition at line 150 of file FactorAnalysis.h.

Matrix<double> FactorAnalysisStat::matcS_X_h [private]

Definition at line 151 of file FactorAnalysis.h.

The documentation for this class was generated from the following files:

LIA_SpkTools/include/FactorAnalysis.h
LIA_SpkTools/src/FactorAnalysis.cpp

FactorAnalysisStat Class Reference

Public Member Functions

Public Attributes

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation