cv::EM Class Reference

#include <ml.hpp>

Inherits cv::Algorithm.

List of all members.

Public Types
enum	{ COV_MAT_SPHERICAL = 0, COV_MAT_DIAGONAL = 1, COV_MAT_GENERIC = 2, COV_MAT_DEFAULT = COV_MAT_DIAGONAL }
enum	{ DEFAULT_NCLUSTERS = 5, DEFAULT_MAX_ITERS = 100 }
enum	{ START_E_STEP = 1, START_M_STEP = 2, START_AUTO_STEP = 0 }
typedef Algorithm *(*	Constructor )(void)
typedef int(Algorithm::*	Getter )() const
typedef void(Algorithm::*	Setter )(int)
Public Member Functions
CV_WRAP	EM (int nclusters=EM::DEFAULT_NCLUSTERS, int covMatType=EM::COV_MAT_DIAGONAL, const TermCriteria &termCrit=TermCriteria(TermCriteria::COUNT+TermCriteria::EPS, EM::DEFAULT_MAX_ITERS, FLT_EPSILON))
virtual	~EM ()
virtual CV_WRAP void	clear ()
virtual CV_WRAP bool	train (InputArray samples, OutputArray logLikelihoods=noArray(), OutputArray labels=noArray(), OutputArray probs=noArray())
virtual CV_WRAP bool	trainE (InputArray samples, InputArray means0, InputArray covs0=noArray(), InputArray weights0=noArray(), OutputArray logLikelihoods=noArray(), OutputArray labels=noArray(), OutputArray probs=noArray())
virtual CV_WRAP bool	trainM (InputArray samples, InputArray probs0, OutputArray logLikelihoods=noArray(), OutputArray labels=noArray(), OutputArray probs=noArray())
CV_WRAP Vec2d	predict (InputArray sample, OutputArray probs=noArray()) const
CV_WRAP bool	isTrained () const
AlgorithmInfo *	info () const
virtual void	read (const FileNode &fn)
string	name () const
template<typename _Tp >
ParamType< _Tp >::member_type	get (const string &name) const
template<typename _Tp >
ParamType< _Tp >::member_type	get (const char *name) const
CV_WRAP int	getInt (const string &name) const
CV_WRAP double	getDouble (const string &name) const
CV_WRAP bool	getBool (const string &name) const
CV_WRAP string	getString (const string &name) const
CV_WRAP Mat	getMat (const string &name) const
CV_WRAP vector< Mat >	getMatVector (const string &name) const
CV_WRAP Ptr< Algorithm >	getAlgorithm (const string &name) const
void	set (const string &name, int value)
void	set (const string &name, double value)
void	set (const string &name, bool value)
void	set (const string &name, const string &value)
void	set (const string &name, const Mat &value)
void	set (const string &name, const vector< Mat > &value)
void	set (const string &name, const Ptr< Algorithm > &value)
template<typename _Tp >
void	set (const string &name, const Ptr< _Tp > &value)
void	set (const char *name, int value)
void	set (const char *name, double value)
void	set (const char *name, bool value)
void	set (const char *name, const string &value)
void	set (const char *name, const Mat &value)
void	set (const char *name, const vector< Mat > &value)
void	set (const char *name, const Ptr< Algorithm > &value)
template<typename _Tp >
void	set (const char *name, const Ptr< _Tp > &value)
CV_WRAP void	setInt (const string &name, int value)
void	setInt (const char *name, int value)
CV_WRAP void	setDouble (const string &name, double value)
void	setDouble (const char *name, double value)
CV_WRAP void	setBool (const string &name, bool value)
void	setBool (const char *name, bool value)
CV_WRAP void	setString (const string &name, const string &value)
void	setString (const char *name, const string &value)
CV_WRAP void	setMat (const string &name, const Mat &value)
void	setMat (const char *name, const Mat &value)
CV_WRAP void	setMatVector (const string &name, const vector< Mat > &value)
void	setMatVector (const char *name, const vector< Mat > &value)
CV_WRAP void	setAlgorithm (const string &name, const Ptr< Algorithm > &value)
template<typename _Tp >
void	setAlgorithm (const string &name, const Ptr< _Tp > &value)
void	setAlgorithm (const char *name, const Ptr< Algorithm > &value)
template<typename _Tp >
void	setAlgorithm (const char *name, const Ptr< _Tp > &value)
CV_WRAP string	paramHelp (const string &name) const
int	paramType (const char *name) const
CV_WRAP int	paramType (const string &name) const
CV_WRAP void	getParams (CV_OUT vector< string > &names) const
virtual void	write (FileStorage &fs) const
Static Public Member Functions
static CV_WRAP void	getList (CV_OUT vector< string > &algorithms)
static CV_WRAP Ptr< Algorithm >	_create (const string &name)
template<typename _Tp >
static Ptr< _Tp >	create (const string &name)
Protected Member Functions
virtual void	setTrainData (int startStep, const Mat &samples, const Mat *probs0, const Mat *means0, const vector< Mat > *covs0, const Mat *weights0)
bool	doTrain (int startStep, OutputArray logLikelihoods, OutputArray labels, OutputArray probs)
virtual void	eStep ()
virtual void	mStep ()
void	clusterTrainSamples ()
void	decomposeCovs ()
void	computeLogWeightDivDet ()
Vec2d	computeProbabilities (const Mat &sample, Mat *probs) const
Protected Attributes
CV_PROP_RW int	nclusters
CV_PROP_RW int	covMatType
CV_PROP_RW int	maxIters
CV_PROP_RW double	epsilon
Mat	trainSamples
Mat	trainProbs
Mat	trainLogLikelihoods
Mat	trainLabels
CV_PROP Mat	weights
CV_PROP Mat	means
CV_PROP vector< Mat >	covs
vector< Mat >	covsEigenValues
vector< Mat >	covsRotateMats
vector< Mat >	invCovsEigenValues
Mat	logWeightDivDet

---

Member Typedef Documentation

typedef Algorithm*(* cv::Algorithm::Constructor)(void) [inherited]

typedef int(Algorithm::* cv::Algorithm::Getter)() const [inherited]

typedef void(Algorithm::* cv::Algorithm::Setter)(int) [inherited]

---

Member Enumeration Documentation

anonymous enum

Enumerator:

COV_MAT_SPHERICAL
COV_MAT_DIAGONAL
COV_MAT_GENERIC
COV_MAT_DEFAULT

anonymous enum

Enumerator:

DEFAULT_NCLUSTERS
DEFAULT_MAX_ITERS

anonymous enum

Enumerator:

START_E_STEP
START_M_STEP
START_AUTO_STEP

---

Constructor & Destructor Documentation

CV_WRAP cv::EM::EM	(	int	nclusters = EM::DEFAULT_NCLUSTERS,
		int	covMatType = EM::COV_MAT_DIAGONAL,
		const TermCriteria &	termCrit = TermCriteria(TermCriteria::COUNT+TermCriteria::EPS, EM::DEFAULT_MAX_ITERS, FLT_EPSILON)
	)

virtual cv::EM::~EM

(

)

[virtual]

---

Member Function Documentation

virtual CV_WRAP void cv::EM::clear

(

)

[virtual]

virtual CV_WRAP bool cv::EM::train	(	InputArray	samples,
		OutputArray	logLikelihoods = noArray(),
		OutputArray	labels = noArray(),
		OutputArray	probs = noArray()
	)		[virtual]

virtual CV_WRAP bool cv::EM::trainE	(	InputArray	samples,
		InputArray	means0,
		InputArray	covs0 = noArray(),
		InputArray	weights0 = noArray(),
		OutputArray	logLikelihoods = noArray(),
		OutputArray	labels = noArray(),
		OutputArray	probs = noArray()
	)		[virtual]

virtual CV_WRAP bool cv::EM::trainM	(	InputArray	samples,
		InputArray	probs0,
		OutputArray	logLikelihoods = noArray(),
		OutputArray	labels = noArray(),
		OutputArray	probs = noArray()
	)		[virtual]

CV_WRAP Vec2d cv::EM::predict	(	InputArray	sample,
		OutputArray	probs = noArray()
	)		const

CV_WRAP bool cv::EM::isTrained

(

)

const

AlgorithmInfo* cv::EM::info

(

)

const [virtual]

Reimplemented from cv::Algorithm.

virtual void cv::EM::read

(

const FileNode &

fn

)

[virtual]

Reimplemented from cv::Algorithm.

virtual void cv::EM::setTrainData	(	int	startStep,
		const Mat &	samples,
		const Mat *	probs0,
		const Mat *	means0,
		const vector< Mat > *	covs0,
		const Mat *	weights0
	)		[protected, virtual]

bool cv::EM::doTrain	(	int	startStep,
		OutputArray	logLikelihoods,
		OutputArray	labels,
		OutputArray	probs
	)		[protected]

virtual void cv::EM::eStep

(

)

[protected, virtual]

virtual void cv::EM::mStep

(

)

[protected, virtual]

void cv::EM::clusterTrainSamples

(

)

[protected]

void cv::EM::decomposeCovs

(

)

[protected]

void cv::EM::computeLogWeightDivDet

(

)

[protected]

Vec2d cv::EM::computeProbabilities	(	const Mat &	sample,
		Mat *	probs
	)		const [protected]

string cv::Algorithm::name

(

)

const [inherited]

template<typename _Tp >

ParamType< _Tp >::member_type cv::Algorithm::get

(

const string &

name

)

const [inherited]

template<typename _Tp >

ParamType< _Tp >::member_type cv::Algorithm::get

(

const char *

name

)

const [inherited]

CV_WRAP int cv::Algorithm::getInt

(

const string &

name

)

const [inherited]

CV_WRAP double cv::Algorithm::getDouble

(

const string &

name

)

const [inherited]

CV_WRAP bool cv::Algorithm::getBool

(

const string &

name

)

const [inherited]

CV_WRAP string cv::Algorithm::getString

(

const string &

name

)

const [inherited]

CV_WRAP Mat cv::Algorithm::getMat

(

const string &

name

)

const [inherited]

CV_WRAP vector<Mat> cv::Algorithm::getMatVector

(

const string &

name

)

const [inherited]

CV_WRAP Ptr<Algorithm> cv::Algorithm::getAlgorithm

(

const string &

name

)

const [inherited]

void cv::Algorithm::set	(	const string &	name,
		int	value
	)		[inherited]

void cv::Algorithm::set	(	const string &	name,
		double	value
	)		[inherited]

void cv::Algorithm::set	(	const string &	name,
		bool	value
	)		[inherited]

void cv::Algorithm::set	(	const string &	name,
		const string &	value
	)		[inherited]

void cv::Algorithm::set	(	const string &	name,
		const Mat &	value
	)		[inherited]

void cv::Algorithm::set	(	const string &	name,
		const vector< Mat > &	value
	)		[inherited]

void cv::Algorithm::set	(	const string &	name,
		const Ptr< Algorithm > &	value
	)		[inherited]

template<typename _Tp >

void cv::Algorithm::set	(	const string &	name,
		const Ptr< _Tp > &	value
	)		[inherited]

void cv::Algorithm::set	(	const char *	name,
		int	value
	)		[inherited]

void cv::Algorithm::set	(	const char *	name,
		double	value
	)		[inherited]

void cv::Algorithm::set	(	const char *	name,
		bool	value
	)		[inherited]

void cv::Algorithm::set	(	const char *	name,
		const string &	value
	)		[inherited]

void cv::Algorithm::set	(	const char *	name,
		const Mat &	value
	)		[inherited]

void cv::Algorithm::set	(	const char *	name,
		const vector< Mat > &	value
	)		[inherited]

void cv::Algorithm::set	(	const char *	name,
		const Ptr< Algorithm > &	value
	)		[inherited]

template<typename _Tp >

void cv::Algorithm::set	(	const char *	name,
		const Ptr< _Tp > &	value
	)		[inherited]

CV_WRAP void cv::Algorithm::setInt	(	const string &	name,
		int	value
	)		[inherited]

void cv::Algorithm::setInt	(	const char *	name,
		int	value
	)		[inherited]

CV_WRAP void cv::Algorithm::setDouble	(	const string &	name,
		double	value
	)		[inherited]

void cv::Algorithm::setDouble	(	const char *	name,
		double	value
	)		[inherited]

CV_WRAP void cv::Algorithm::setBool	(	const string &	name,
		bool	value
	)		[inherited]

void cv::Algorithm::setBool	(	const char *	name,
		bool	value
	)		[inherited]

CV_WRAP void cv::Algorithm::setString	(	const string &	name,
		const string &	value
	)		[inherited]

void cv::Algorithm::setString	(	const char *	name,
		const string &	value
	)		[inherited]

CV_WRAP void cv::Algorithm::setMat	(	const string &	name,
		const Mat &	value
	)		[inherited]

void cv::Algorithm::setMat	(	const char *	name,
		const Mat &	value
	)		[inherited]

CV_WRAP void cv::Algorithm::setMatVector	(	const string &	name,
		const vector< Mat > &	value
	)		[inherited]

void cv::Algorithm::setMatVector	(	const char *	name,
		const vector< Mat > &	value
	)		[inherited]

CV_WRAP void cv::Algorithm::setAlgorithm	(	const string &	name,
		const Ptr< Algorithm > &	value
	)		[inherited]

template<typename _Tp >

void cv::Algorithm::setAlgorithm	(	const string &	name,
		const Ptr< _Tp > &	value
	)		[inherited]

void cv::Algorithm::setAlgorithm	(	const char *	name,
		const Ptr< Algorithm > &	value
	)		[inherited]

template<typename _Tp >

void cv::Algorithm::setAlgorithm	(	const char *	name,
		const Ptr< _Tp > &	value
	)		[inherited]

CV_WRAP string cv::Algorithm::paramHelp

(

const string &

name

)

const [inherited]

int cv::Algorithm::paramType

(

const char *

name

)

const [inherited]

CV_WRAP int cv::Algorithm::paramType

(

const string &

name

)

const [inherited]

CV_WRAP void cv::Algorithm::getParams

(

CV_OUT vector< string > &

names

)

const [inherited]

virtual void cv::Algorithm::write

(

FileStorage &

fs

)

const [virtual, inherited]

Reimplemented in cv::CalonderDescriptorExtractor< T >, cv::FlannBasedMatcher, cv::DescriptorMatcher, cv::BriefDescriptorExtractor, cv::OpponentColorDescriptorExtractor, and cv::SimpleBlobDetector.

static CV_WRAP void cv::Algorithm::getList

(

CV_OUT vector< string > &

algorithms

)

[static, inherited]

static CV_WRAP Ptr<Algorithm> cv::Algorithm::_create

(

const string &

name

)

[static, inherited]

template<typename _Tp >

Ptr< _Tp > cv::Algorithm::create

(

const string &

name

)

[static, inherited]

Reimplemented in cv::DescriptorMatcher, cv::AdjusterAdapter, cv::Feature2D, cv::DescriptorExtractor, and cv::FeatureDetector.

---

Member Data Documentation

CV_PROP_RW int cv::EM::nclusters [protected]

CV_PROP_RW int cv::EM::covMatType [protected]

CV_PROP_RW int cv::EM::maxIters [protected]

CV_PROP_RW double cv::EM::epsilon [protected]

Mat cv::EM::trainSamples [protected]

Mat cv::EM::trainProbs [protected]

Mat cv::EM::trainLogLikelihoods [protected]

Mat cv::EM::trainLabels [protected]

CV_PROP Mat cv::EM::weights [protected]

CV_PROP Mat cv::EM::means [protected]

CV_PROP vector<Mat> cv::EM::covs [protected]

vector<Mat> cv::EM::covsEigenValues [protected]

vector<Mat> cv::EM::covsRotateMats [protected]

vector<Mat> cv::EM::invCovsEigenValues [protected]

Mat cv::EM::logWeightDivDet [protected]

---

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

• include/opencv2/ml/ml.hpp