cv::gpu::MOG2_GPU Class Reference

#include <gpu.hpp>

Public Member Functions
	MOG2_GPU (int nmixtures=-1)
	the default constructor More...
void	initialize (Size frameSize, int frameType)
	re-initiaization method More...
void	operator() (const GpuMat &frame, GpuMat &fgmask, float learningRate=-1.0f, Stream &stream=Stream::Null())
	the update operator More...
void	getBackgroundImage (GpuMat &backgroundImage, Stream &stream=Stream::Null()) const
	computes a background image which are the mean of all background gaussians More...
void	release ()
	releases all inner buffers More...

Public Attributes
int	history
float	varThreshold
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::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::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::release

(

)

releases all inner buffers

Member Data Documentation

float cv::gpu::MOG2_GPU::backgroundRatio

bool cv::gpu::MOG2_GPU::bShadowDetection

float cv::gpu::MOG2_GPU::fCT

float cv::gpu::MOG2_GPU::fTau

float cv::gpu::MOG2_GPU::fVarInit

float cv::gpu::MOG2_GPU::fVarMax

float cv::gpu::MOG2_GPU::fVarMin

int cv::gpu::MOG2_GPU::history

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

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::varThresholdGen

---

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

• gpu/include/opencv2/gpu/gpu.hpp