pcl::segmentation::grabcut::GaussianFitter Class Reference

#include <grabcut.h>

List of all members.

Public Member Functions
void	add (const Color &c)
	Add a color sample.
void	fit (Gaussian &g, std::size_t total_count, bool compute_eigens=false) const
	Build the gaussian out of all the added color samples.
	GaussianFitter (float epsilon=0.0001)
float	getEpsilon ()
void	setEpsilon (float epsilon)
Private Attributes
Eigen::Matrix3f	accumulator_
	matrix of products (i.e. r*r, r*g, r*b), some values are duplicated.
uint32_t	count_
	count of color samples added to the gaussian
float	epsilon_
	small value to add to covariance matrix diagonal to avoid singular values
Eigen::Vector3f	sum_
	sum of r,g, and b

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Detailed Description

Helper class that fits a single Gaussian to color samples

Definition at line 260 of file grabcut.h.

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Constructor & Destructor Documentation

pcl::segmentation::grabcut::GaussianFitter::GaussianFitter

(

float

epsilon = 0.0001

)

[inline]

Definition at line 263 of file grabcut.h.

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Member Function Documentation

void pcl::segmentation::grabcut::GaussianFitter::add

(

const Color &

c

)

Add a color sample.

Definition at line 546 of file grabcut.cpp.

void pcl::segmentation::grabcut::GaussianFitter::fit	(	Gaussian &	g,
		std::size_t	total_count,
		bool	compute_eigens = false
	)		const

Build the gaussian out of all the added color samples.

Definition at line 558 of file grabcut.cpp.

float pcl::segmentation::grabcut::GaussianFitter::getEpsilon

(

)

[inline]

Returns:

epsilon

Definition at line 278 of file grabcut.h.

void pcl::segmentation::grabcut::GaussianFitter::setEpsilon

(

float

epsilon

)

[inline]

set epsilon which will be added to the covariance matrix diagonal which avoids singular covariance matrix

Parameters:

[in]

epsilon

user defined epsilon

Definition at line 284 of file grabcut.h.

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Member Data Documentation

Eigen::Matrix3f pcl::segmentation::grabcut::GaussianFitter::accumulator_ [private]

matrix of products (i.e. r*r, r*g, r*b), some values are duplicated.

Definition at line 290 of file grabcut.h.

uint32_t pcl::segmentation::grabcut::GaussianFitter::count_ [private]

count of color samples added to the gaussian

Definition at line 292 of file grabcut.h.

float pcl::segmentation::grabcut::GaussianFitter::epsilon_ [private]

small value to add to covariance matrix diagonal to avoid singular values

Definition at line 294 of file grabcut.h.

Eigen::Vector3f pcl::segmentation::grabcut::GaussianFitter::sum_ [private]

sum of r,g, and b

Definition at line 288 of file grabcut.h.

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

• grabcut.h
• grabcut.cpp