LUT generation by using Bayesian method on histograms. More...

#include <>>

Public Member Functions
	BayesHistosToLut (std::map< hint_t, Histogram * > &histos, unsigned int d=1, hint_t fg_object=H_UNKNOWN, unsigned int w=256, unsigned int h=256)
	Constructor.
	~BayesHistosToLut ()
	Destructor.
std::string	getName ()
	Get name.
float	getObjectProb (hint_t object)
	Get object probability.
float	getAPrioriProb (unsigned int u, unsigned int v, hint_t object)
	P(u, v\| object).
float	getAPrioriProb (unsigned int y, unsigned int u, unsigned int v, hint_t object)
	P(u, v\| object).
float	getAPosterioriProb (hint_t object, unsigned int u, unsigned int v)
	P(object\| u, v).
float	getAPosterioriProb (hint_t object, unsigned int y, unsigned int u, unsigned int v)
	P(object\| u, v).
hint_t	getMostLikelyObject (unsigned int u, unsigned int v)
	Get most likely object.
hint_t	getMostLikelyObject (unsigned int y, unsigned int u, unsigned int v)
	Get most likely object.
void	setMinProbability (float min_prob)
	Set min probability.
void	setMinProbForColor (float min_prob, hint_t hint)
	Set min probability for color.
YuvColormap *	get_colormap ()
	Get generated color model.
void	calculateLutValues (bool penalty=false)
	Calculate LUT values.
void	calculateLutAllColors ()
	Calculate all LUT colors.
void	saveLut (char *file)
	Save LUT to file.
void	save (std::string filename)
	Save LUT to file.

Detailed Description

LUT generation by using Bayesian method on histograms.

Generates a YUV colormap.

Author:: Martin Herakles.; Tim Niemueller; Daniel Beck

Definition at line 46 of file bayes_histos_to_lut.h.

Constructor & Destructor Documentation

firevision::BayesHistosToLut::BayesHistosToLut	(	std::map< hint_t, Histogram * > &	histos,
		unsigned int	d = `1`,
		hint_t	object = `H_UNKNOWN`,
		unsigned int	w = `256`,
		unsigned int	h = `256`
	)

Constructor.

Parameters:

histos	histograms
d	depth of lookup table
object	type of the foreground object
w	the width of the lookup table (u-resolution)
h	the height of the lookup table (v-resolution)

Definition at line 65 of file bayes_histos_to_lut.cpp.

firevision::BayesHistosToLut::~BayesHistosToLut ( )

Destructor.

Definition at line 89 of file bayes_histos_to_lut.cpp.

Member Function Documentation

void firevision::BayesHistosToLut::calculateLutAllColors ( )

Calculate all LUT colors.

Definition at line 317 of file bayes_histos_to_lut.cpp.

References firevision::YuvColormap::deepness(), firevision::YuvColormap::depth(), firevision::ColorObjectMap::get_instance(), and firevision::YuvColormap::set().

void firevision::BayesHistosToLut::calculateLutValues ( bool penalty = false )

Calculate LUT values.

Parameters:

penalty if true, non-ball colors are penalized

Definition at line 384 of file bayes_histos_to_lut.cpp.

References firevision::YuvColormap::deepness(), firevision::YuvColormap::depth(), firevision::Histogram::get_average(), firevision::ColorObjectMap::get_instance(), firevision::Histogram::get_median(), firevision::Histogram::get_num_undos(), firevision::Histogram::get_value(), getMostLikelyObject(), firevision::YuvColormap::height(), firevision::YuvColormap::reset(), firevision::YuvColormap::set(), firevision::Histogram::set_value(), firevision::Histogram::switch_undo(), firevision::Histogram::undo(), and firevision::YuvColormap::width().

YuvColormap * firevision::BayesHistosToLut::get_colormap ( )

Get generated color model.

Returns:: generated color model

Definition at line 604 of file bayes_histos_to_lut.cpp.

float firevision::BayesHistosToLut::getAPosterioriProb	(	hint_t	object,
		unsigned int	u,
		unsigned int	v
	)

P(object| u, v).

Get a-posteriori probability.

Parameters:

object	objcet
u	YUV U-value
v	YUV V-value

Returns:: a posteriori probability

Definition at line 203 of file bayes_histos_to_lut.cpp.

References getAPrioriProb(), and getObjectProb().

Referenced by getMostLikelyObject().

float firevision::BayesHistosToLut::getAPosterioriProb	(	hint_t	object,
		unsigned int	y,
		unsigned int	u,
		unsigned int	v
	)

P(object| u, v).

Get a-posteriori probability.

Parameters:

object	objcet
y	YUV Y-value
u	YUV U-value
v	YUV V-value

Returns:: a posteriori probability

Definition at line 232 of file bayes_histos_to_lut.cpp.

References getAPrioriProb(), and getObjectProb().

float firevision::BayesHistosToLut::getAPrioriProb	(	unsigned int	u,
		unsigned int	v,
		hint_t	object
	)

P(u, v| object).

Get a-priori probability.

Parameters:

u	YUV U-value
v	YUV V-value
object	object.

Returns:: probability

Definition at line 166 of file bayes_histos_to_lut.cpp.

Referenced by getAPosterioriProb().

float firevision::BayesHistosToLut::getAPrioriProb	(	unsigned int	y,
		unsigned int	u,
		unsigned int	v,
		hint_t	object
	)

P(u, v| object).

Get a-priori probability.

Parameters:

y	YUV Y-value
u	YUV U-value
v	YUV V-value
object	object.

Returns:: probability

Definition at line 187 of file bayes_histos_to_lut.cpp.

hint_t firevision::BayesHistosToLut::getMostLikelyObject	(	unsigned int	u,
		unsigned int	v
	)

Get most likely object.

Parameters:

u	YUV U-value
v	YUV V-value

Returns:: most likely object for this color

Definition at line 259 of file bayes_histos_to_lut.cpp.

References getAPosterioriProb().

Referenced by calculateLutValues().

hint_t firevision::BayesHistosToLut::getMostLikelyObject	(	unsigned int	y,
		unsigned int	u,
		unsigned int	v
	)

Get most likely object.

Parameters:

y	YUV Y-value
u	YUV U-value
v	YUV V-value

Returns:: most likely object for this color

Definition at line 291 of file bayes_histos_to_lut.cpp.

References getAPosterioriProb().

string firevision::BayesHistosToLut::getName ( void )

Get name.

Returns:: BayesHistosToLut

Definition at line 98 of file bayes_histos_to_lut.cpp.

float firevision::BayesHistosToLut::getObjectProb ( hint_t object )

Get object probability.

Parameters:

object object

Returns:: probability.

Definition at line 108 of file bayes_histos_to_lut.cpp.

Referenced by getAPosterioriProb().

void firevision::BayesHistosToLut::save ( std::string filename )

Save LUT to file.

Parameters:

filename file name

Definition at line 550 of file bayes_histos_to_lut.cpp.

References firevision::ColormapFile::add_colormap(), and firevision::FireVisionDataFile::write().

void firevision::BayesHistosToLut::saveLut ( char * file )

Save LUT to file.

Parameters:

file file name

Definition at line 539 of file bayes_histos_to_lut.cpp.

References firevision::ColormapFile::add_colormap(), and firevision::FireVisionDataFile::write().

void firevision::BayesHistosToLut::setMinProbability ( float min_prob )

Set min probability.

Parameters:

min_prob minimum probability

Definition at line 562 of file bayes_histos_to_lut.cpp.

void firevision::BayesHistosToLut::setMinProbForColor	(	float	min_prob,
		hint_t	hint
	)

Set min probability for color.

Parameters:

min_prob	minimum probability
hint	color hint

Definition at line 573 of file bayes_histos_to_lut.cpp.

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

src/libs/fvutils/colormap/bayes/bayes_histos_to_lut.h
src/libs/fvutils/colormap/bayes/bayes_histos_to_lut.cpp

Public Member Functions

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation