OpenCV  2.4.13.5
Open Source Computer Vision
cv::BackgroundSubtractorMOG Class Reference

#include <background_segm.hpp>

Inheritance diagram for cv::BackgroundSubtractorMOG:
cv::BackgroundSubtractor cv::Algorithm

Public Member Functions

 BackgroundSubtractorMOG ()
 the default constructor More...
 
 BackgroundSubtractorMOG (int history, int nmixtures, double backgroundRatio, double noiseSigma=0)
 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 ~BackgroundSubtractorMOG ()
 the destructor More...
 
virtual void operator() (InputArray image, OutputArray fgmask, double learningRate=0)
 the update operator More...
 
virtual void initialize (Size frameSize, int frameType)
 re-initiaization method More...
 
virtual AlgorithmInfoinfo () const
 
- Public Member Functions inherited from cv::BackgroundSubtractor
virtual ~BackgroundSubtractor ()
 the virtual destructor More...
 
virtual void getBackgroundImage (OutputArray backgroundImage) const
 computes a background image 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< MatgetMatVector (const string &name) const
 
Ptr< AlgorithmgetAlgorithm (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
 
int nframes
 
int history
 
int nmixtures
 
double varThreshold
 
double backgroundRatio
 
double noiseSigma
 

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

Gaussian Mixture-based Backbround/Foreground Segmentation Algorithm

The class implements the following algorithm: "An improved adaptive background mixture model for real-time tracking with shadow detection" P. KadewTraKuPong and R. Bowden, Proc. 2nd European Workshp on Advanced Video-Based Surveillance Systems, 2001." http://personal.ee.surrey.ac.uk/Personal/R.Bowden/publications/avbs01/avbs01.pdf

Constructor & Destructor Documentation

§ BackgroundSubtractorMOG() [1/2]

cv::BackgroundSubtractorMOG::BackgroundSubtractorMOG ( )

the default constructor

§ BackgroundSubtractorMOG() [2/2]

cv::BackgroundSubtractorMOG::BackgroundSubtractorMOG ( int  history,
int  nmixtures,
double  backgroundRatio,
double  noiseSigma = 0 
)

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

§ ~BackgroundSubtractorMOG()

virtual cv::BackgroundSubtractorMOG::~BackgroundSubtractorMOG ( )
virtual

the destructor

Member Function Documentation

§ info()

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

Reimplemented from cv::Algorithm.

§ initialize()

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

re-initiaization method

§ operator()()

virtual void cv::BackgroundSubtractorMOG::operator() ( InputArray  image,
OutputArray  fgmask,
double  learningRate = 0 
)
virtual

the update operator

Reimplemented from cv::BackgroundSubtractor.

Member Data Documentation

§ backgroundRatio

double cv::BackgroundSubtractorMOG::backgroundRatio
protected

§ bgmodel

Mat cv::BackgroundSubtractorMOG::bgmodel
protected

§ frameSize

Size cv::BackgroundSubtractorMOG::frameSize
protected

§ frameType

int cv::BackgroundSubtractorMOG::frameType
protected

§ history

int cv::BackgroundSubtractorMOG::history
protected

§ nframes

int cv::BackgroundSubtractorMOG::nframes
protected

§ nmixtures

int cv::BackgroundSubtractorMOG::nmixtures
protected

§ noiseSigma

double cv::BackgroundSubtractorMOG::noiseSigma
protected

§ varThreshold

double cv::BackgroundSubtractorMOG::varThreshold
protected

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