w2img::GaussianMixtureModel::GaussianComponent Class Reference

Inheritance diagram for w2img::GaussianMixtureModel::GaussianComponent:

List of all members.

Public Member Functions
	GaussianComponent ()
	GaussianComponent (double cx, double cy, double varx, double vary, double sigmaxy=0, double inwt=1)
	Initialize with known values.
double	getWeight () const
double	getCx () const
double	getCy () const
double	getSigmax () const
double	getSigmay () const
double	getSigmaxy () const
	GaussianComponent (const float *x, const float *y, const float *wt, int n_pts)
	Finds best fit (the M-step in E-M).
double	computeProbabilityDensityAt (double x, double y) const
	Value of Normal function at x,y given these parameters.
bool	isValid () const
Friends
std::ostream &	operator<< (std::ostream &os, const GaussianComponent &obj)

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Constructor & Destructor Documentation

w2img::GaussianMixtureModel::GaussianComponent::GaussianComponent

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)

[inline]

w2img::GaussianMixtureModel::GaussianComponent::GaussianComponent	(	double	cx,
		double	cy,
		double	varx,
		double	vary,
		double	sigmaxy = 0,
		double	inwt = 1
	)			[inline]

Initialize with known values.

w2img::GaussianMixtureModel::GaussianComponent::GaussianComponent	(	const float *	x,
		const float *	y,
		const float *	wt,
		int	n_pts
	)

Finds best fit (the M-step in E-M).

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Member Function Documentation

double w2img::GaussianMixtureModel::GaussianComponent::computeProbabilityDensityAt	(	double	x,
		double	y
	)			const

Value of Normal function at x,y given these parameters.

You typically want to weight this contribution by getWeight() This goes into the E-step in E-M.

double w2img::GaussianMixtureModel::GaussianComponent::getCx

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)

const [inline]

double w2img::GaussianMixtureModel::GaussianComponent::getCy

(

)

const [inline]

double w2img::GaussianMixtureModel::GaussianComponent::getSigmax

(

)

const [inline]

double w2img::GaussianMixtureModel::GaussianComponent::getSigmaxy

(

)

const [inline]

double w2img::GaussianMixtureModel::GaussianComponent::getSigmay

(

)

const [inline]

double w2img::GaussianMixtureModel::GaussianComponent::getWeight

(

)

const [inline]

bool w2img::GaussianMixtureModel::GaussianComponent::isValid

(

)

const [inline]

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Friends And Related Function Documentation

std::ostream& operator<<	(	std::ostream &	os,
		const GaussianComponent &	obj
	)			[friend]

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