cv::BackgroundSubtractorMOG Class Reference

#include <background_segm.hpp>

Inheritance diagram for cv::BackgroundSubtractorMOG:

List of all members.

Public Member Functions
CV_WRAP	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
CV_WRAP	BackgroundSubtractorMOG ()
	the default constructor
virtual void	initialize (Size frameSize, int frameType)
	re-initiaization method
virtual void	operator() (const Mat &image, Mat &fgmask, double learningRate=0)
	the update operator
virtual	~BackgroundSubtractorMOG ()
	the destructor
Public Attributes
double	backgroundRatio
Mat	bgmodel
Size	frameSize
int	frameType
int	history
int	nframes
int	nmixtures
double	noiseSigma
double	varThreshold

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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

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Constructor & Destructor Documentation

CV_WRAP cv::BackgroundSubtractorMOG::BackgroundSubtractorMOG

(

)

the default constructor

CV_WRAP 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

virtual cv::BackgroundSubtractorMOG::~BackgroundSubtractorMOG

(

)

[virtual]

the destructor

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Member Function Documentation

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

re-initiaization method

virtual void cv::BackgroundSubtractorMOG::operator()	(	const Mat &	image,
		Mat &	fgmask,
		double	learningRate = 0
	)			[virtual]

the update operator

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Member Data Documentation

double cv::BackgroundSubtractorMOG::backgroundRatio

Mat cv::BackgroundSubtractorMOG::bgmodel

Size cv::BackgroundSubtractorMOG::frameSize

int cv::BackgroundSubtractorMOG::frameType

int cv::BackgroundSubtractorMOG::history

int cv::BackgroundSubtractorMOG::nframes

int cv::BackgroundSubtractorMOG::nmixtures

double cv::BackgroundSubtractorMOG::noiseSigma

double cv::BackgroundSubtractorMOG::varThreshold

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

• /home/grier/opencv/opencv/modules/video/include/opencv2/video/background_segm.hpp