#include <background_segm.hpp>

Inheritance diagram for cv::BackgroundSubtractorMOG2:

Public Member Functions
	BackgroundSubtractorMOG2 ()
	the default constructor More...

	BackgroundSubtractorMOG2 (int history, float varThreshold, bool bShadowDetection=true)
	the full constructor that takes the length of the history, the number of gaussian mixtures, the background ratio parameter and the noise strength More...

virtual	~BackgroundSubtractorMOG2 ()
	the destructor More...

virtual void	operator() (InputArray image, OutputArray fgmask, double learningRate=-1)
	the update operator More...

virtual void	getBackgroundImage (OutputArray backgroundImage) const
	computes a background image which are the mean of all background gaussians More...

virtual void	initialize (Size frameSize, int frameType)
	re-initiaization method More...

virtual AlgorithmInfo *	info () const

Public Member Functions inherited from cv::BackgroundSubtractor
virtual	~BackgroundSubtractor ()
	the virtual destructor More...

Public Member Functions inherited from cv::Algorithm
	Algorithm ()

virtual	~Algorithm ()

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

int	getInt (const string &name) const

double	getDouble (const string &name) const

bool	getBool (const string &name) const

string	getString (const string &name) const

Mat	getMat (const string &name) const

vector< Mat >	getMatVector (const string &name) const

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	setInt (const string &name, int value)

void	setDouble (const string &name, double value)

void	setBool (const string &name, bool value)

void	setString (const string &name, const string &value)

void	setMat (const string &name, const Mat &value)

void	setMatVector (const string &name, const vector< Mat > &value)

void	setAlgorithm (const string &name, const Ptr< Algorithm > &value)

template<typename _Tp >
void	setAlgorithm (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)

void	setInt (const char *name, int value)

void	setDouble (const char *name, double value)

void	setBool (const char *name, bool value)

void	setString (const char *name, const string &value)

void	setMat (const char *name, const Mat &value)

void	setMatVector (const char *name, const vector< Mat > &value)

void	setAlgorithm (const char *name, const Ptr< Algorithm > &value)

template<typename _Tp >
void	setAlgorithm (const char *name, const Ptr< _Tp > &value)

string	paramHelp (const string &name) const

int	paramType (const char *name) const

int	paramType (const string &name) const

void	getParams (CV_OUT vector< string > &names) const

virtual void	write (FileStorage &fs) const

virtual void	read (const FileNode &fn)

Protected Attributes
Size	frameSize

int	frameType

Mat	bgmodel

Mat	bgmodelUsedModes

int	nframes

int	history

int	nmixtures

double	varThreshold

float	backgroundRatio

float	varThresholdGen

float	fVarInit

float	fVarMin

float	fVarMax

float	fCT

bool	bShadowDetection

unsigned char	nShadowDetection

float	fTau

Additional Inherited Members
Public Types inherited from cv::Algorithm
typedef Algorithm (	Constructor) (void)

typedef int(Algorithm::*	Getter) () const

typedef void(Algorithm::*	Setter) (int)

Static Public Member Functions inherited from cv::Algorithm
static void	getList (CV_OUT vector< string > &algorithms)

static Ptr< Algorithm >	_create (const string &name)

template<typename _Tp >
static Ptr< _Tp >	create (const string &name)

Detailed Description

The class implements the following algorithm: "Improved adaptive Gausian mixture model for background subtraction" Z.Zivkovic International Conference Pattern Recognition, UK, August, 2004. http://www.zoranz.net/Publications/zivkovic2004ICPR.pdf

Constructor & Destructor Documentation

§ BackgroundSubtractorMOG2() [1/2]

cv::BackgroundSubtractorMOG2::BackgroundSubtractorMOG2 ( )

the default constructor

§ BackgroundSubtractorMOG2() [2/2]

cv::BackgroundSubtractorMOG2::BackgroundSubtractorMOG2	(	int	history,
		float	varThreshold,
		bool	bShadowDetection = `true`
	)

the full constructor that takes the length of the history, the number of gaussian mixtures, the background ratio parameter and the noise strength

§ ~BackgroundSubtractorMOG2()

virtual cv::BackgroundSubtractorMOG2::~BackgroundSubtractorMOG2 ( )

virtual

the destructor

Member Function Documentation

§ getBackgroundImage()

virtual void cv::BackgroundSubtractorMOG2::getBackgroundImage ( OutputArray backgroundImage ) const

virtual

computes a background image which are the mean of all background gaussians

Reimplemented from cv::BackgroundSubtractor.

§ info()

virtual AlgorithmInfo* cv::BackgroundSubtractorMOG2::info ( ) const

virtual

Reimplemented from cv::Algorithm.

§ initialize()

virtual void cv::BackgroundSubtractorMOG2::initialize	(	Size	frameSize,
		int	frameType
	)

virtual

re-initiaization method

§ operator()()

virtual void cv::BackgroundSubtractorMOG2::operator()	(	InputArray	image,
		OutputArray	fgmask,
		double	learningRate = `-1`
	)

virtual

the update operator

Reimplemented from cv::BackgroundSubtractor.

Member Data Documentation

§ backgroundRatio

float cv::BackgroundSubtractorMOG2::backgroundRatio

protected

§ bgmodel

Mat cv::BackgroundSubtractorMOG2::bgmodel

protected

§ bgmodelUsedModes

Mat cv::BackgroundSubtractorMOG2::bgmodelUsedModes

protected

§ bShadowDetection

bool cv::BackgroundSubtractorMOG2::bShadowDetection

protected

§ fCT

float cv::BackgroundSubtractorMOG2::fCT

protected

§ frameSize

Size cv::BackgroundSubtractorMOG2::frameSize

protected

§ frameType

int cv::BackgroundSubtractorMOG2::frameType

protected

§ fTau

float cv::BackgroundSubtractorMOG2::fTau

protected

§ fVarInit

float cv::BackgroundSubtractorMOG2::fVarInit

protected

§ fVarMax

float cv::BackgroundSubtractorMOG2::fVarMax

protected

§ fVarMin

float cv::BackgroundSubtractorMOG2::fVarMin

protected

§ history

int cv::BackgroundSubtractorMOG2::history

protected

§ nframes

int cv::BackgroundSubtractorMOG2::nframes

protected

§ nmixtures

int cv::BackgroundSubtractorMOG2::nmixtures

protected

§ nShadowDetection

unsigned char cv::BackgroundSubtractorMOG2::nShadowDetection

protected

§ varThreshold

double cv::BackgroundSubtractorMOG2::varThreshold

protected

here it is the maximum allowed number of mixture components. Actual number is determined dynamically per pixel

§ varThresholdGen

float cv::BackgroundSubtractorMOG2::varThresholdGen

protected

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

background_segm.hpp

Public Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

§ BackgroundSubtractorMOG2() [1/2]

§ BackgroundSubtractorMOG2() [2/2]

§ ~BackgroundSubtractorMOG2()

Member Function Documentation

§ getBackgroundImage()

§ info()

§ initialize()

§ operator()()

Member Data Documentation

§ backgroundRatio

§ bgmodel

§ bgmodelUsedModes

§ bShadowDetection

§ fCT

§ frameSize

§ frameType

§ fTau

§ fVarInit

§ fVarMax

§ fVarMin

§ history

§ nframes

§ nmixtures

§ nShadowDetection

§ varThreshold

§ varThresholdGen