Public Member Functions | Protected Attributes | List of all members

cv::BackgroundSubtractorMOG2 Class Reference

#include <background_segm.hpp>

Inheritance diagram for cv::BackgroundSubtractorMOG2:

Public Member Functions

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