cv::gpu::MOG2_GPU Class Reference

The class implements the following algorithm: "Improved adaptive Gausian mixture model for background subtraction" Z.Zivkovic International Conference Pattern Recognition, UK, August, 2004. More...

#include <gpu.hpp>

List of all members.

Public Member Functions
	MOG2_GPU (int nmixtures=-1)
	the default constructor
void	initialize (Size frameSize, int frameType)
	re-initiaization method
void	operator() (const GpuMat &frame, GpuMat &fgmask, float learningRate=-1.0f, Stream &stream=Stream::Null())
	the update operator
void	getBackgroundImage (GpuMat &backgroundImage, Stream &stream=Stream::Null()) const
	computes a background image which are the mean of all background gaussians
void	release ()
	releases all inner buffers
Public Attributes
int	history
float	varThreshold
	here it is the maximum allowed number of mixture components. Actual number is determined dynamically per pixel
float	backgroundRatio
float	varThresholdGen
float	fVarInit
float	fVarMin
float	fVarMax
float	fCT
bool	bShadowDetection
unsigned char	nShadowDetection
float	fTau

---

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

cv::gpu::MOG2_GPU::MOG2_GPU

(

int

nmixtures = -1

)

the default constructor

---

Member Function Documentation

void cv::gpu::MOG2_GPU::initialize	(	Size	frameSize,
		int	frameType
	)

re-initiaization method

void cv::gpu::MOG2_GPU::operator()	(	const GpuMat &	frame,
		GpuMat &	fgmask,
		float	learningRate = -1.0f,
		Stream &	stream = Stream::Null()
	)

the update operator

void cv::gpu::MOG2_GPU::getBackgroundImage	(	GpuMat &	backgroundImage,
		Stream &	stream = Stream::Null()
	)		const

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

void cv::gpu::MOG2_GPU::release

(

)

releases all inner buffers

---

Member Data Documentation

int cv::gpu::MOG2_GPU::history

float cv::gpu::MOG2_GPU::varThreshold

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

float cv::gpu::MOG2_GPU::backgroundRatio

float cv::gpu::MOG2_GPU::varThresholdGen

float cv::gpu::MOG2_GPU::fVarInit

float cv::gpu::MOG2_GPU::fVarMin

float cv::gpu::MOG2_GPU::fVarMax

float cv::gpu::MOG2_GPU::fCT

bool cv::gpu::MOG2_GPU::bShadowDetection

unsigned char cv::gpu::MOG2_GPU::nShadowDetection

float cv::gpu::MOG2_GPU::fTau

---

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

• include/opencv2/gpu/gpu.hpp