LocalBinaryPatterns Class Reference

Multiclass LocalBinaryPatterns Class. More...

#include <Features/LocalBinaryPatterns.H>

Collaboration diagram for LocalBinaryPatterns:

Public Types
typedef std::map< int, std::vector< std::vector < float > > >	MapModelVector
Public Member Functions
	LocalBinaryPatterns (int LBPRadii=1, int LBPPixels=8, int varBins=128, bool useColor=false, bool normalize=true)
	Constructor.
	~LocalBinaryPatterns ()
	Destructor.
void	addModel (const Image< PixRGB< byte > > &texture, const int id)
	Add histograms using color texture.
void	addModel (const std::vector< float > &lbp, const std::vector< float > &col, const std::vector< float > &var, const int id)
	Add a LBP and VAR histogram explicitly as a model to the system.
std::vector< float >	createHistogram (const Image< PixRGB< byte > > &texture)
	Return the final histogram.
void	createRawHistogram (const Image< PixRGB< byte > > &colTexture, std::vector< float > &lbps, std::vector< float > &col, std::vector< float > &vars)
	Determine the LBP histogram and variance values.
void	colorSum (Image< PixRGB< byte > >img, Rectangle rec, float &rg, float &by)
	Sum the colors within the rectangle.
std::vector< float >	convertVariance (const std::vector< float > &vars)
	Convert list of variances to a variance histogram.
void	setModels (const MapModelVector &models)
	Set the map of built models.
MapModelVector	getModels ()
	Return a map of the built models.
void	getLabeledData (const MapModelVector &models, std::vector< std::vector< float > > &data, std::vector< float > &labels)
	Return a separate data vector and label vector from the MapModelVector.
std::vector< float >	merge (const std::vector< float > &left, const std::vector< float > &right)
	Merge two ordered vectors.
void	setIncompleteModels (const MapModelVector &incompleteModels)
	Load the incomplete models from a combined format.
std::vector< float >	getVarThresholds ()
void	setVarThresholds (std::vector< float > thresholds)
void	combineModels (const std::vector< MapModelVector > &allModels, MapModelVector &combined)
void	appendMap (MapModelVector &dst, const MapModelVector &src)
MapModelVector	getIncompleteModels ()
	Return the incomplete models in a combined format.
void	buildModels ()
	After all model exemplars have been given, build final model histograms and set up variance bins.
void	convertIncompleteModels ()
	Convert incomplete models to complete models.
int	predict (const Image< float > &texture)
	Predict using classifier.
uint	getTotalModelExemplars (MapModelVector models)
	Get total number of model exemplars.
MapModelVector	readModelsFile (std::string modelsFile)
	Read file of models into system.
void	writeModelsFile (std::string modelsFile, MapModelVector models)
	Write file of models out.
std::vector< float >	readThresholdsFile (std::string thresholdsFile)
void	writeThresholdsFile (std::string thresholdsFile, std::vector< float > thresholds)
Protected Member Functions
template<class T >
int	getVarIndex (const T &thresh, float var, int binHint=-1)
Protected Attributes
float	itsLBPRadius
int	itsLBPPixels
int	itsVarBins
bool	itsUseColor
bool	itsNormalize
int	itsColorBins
std::vector< float >	itsVarBinThresholds
MapModelVector	itsModels
	Store each model.
MapModelVector	itsTempLBP
	Temporary LBP models (multiple per class).
MapModelVector	itsTempVariance
	List of actual variances, kept until training is complete so that a full histogram can be built.
MapModelVector	itsTempColor
	List of color histogram models.

Detailed Description

Multiclass LocalBinaryPatterns Class.

Definition at line 48 of file LocalBinaryPatterns.H.

Constructor & Destructor Documentation

LocalBinaryPatterns::LocalBinaryPatterns	(	int	LBPRadii = `1`,
		int	LBPPixels = `8`,
		int	varBins = `128`,
		bool	useColor = `false`,
		bool	normalize = `true`
	)

Constructor.

Definition at line 64 of file LocalBinaryPatterns.C.

LocalBinaryPatterns::~LocalBinaryPatterns ( )

Destructor.

Definition at line 78 of file LocalBinaryPatterns.C.

Member Function Documentation

void LocalBinaryPatterns::addModel	(	const std::vector< float > &	lbp,
		const std::vector< float > &	col,
		const std::vector< float > &	var,
		const int	id
	)

Add a LBP and VAR histogram explicitly as a model to the system.

Definition at line 94 of file LocalBinaryPatterns.C.

References itsTempColor, itsTempLBP, and itsTempVariance.

void LocalBinaryPatterns::addModel	(	const Image< PixRGB< byte > > &	texture,
		const int	id
	)

Add histograms using color texture.

Add model to.

Definition at line 86 of file LocalBinaryPatterns.C.

References createRawHistogram().

Referenced by setIncompleteModels().

void LocalBinaryPatterns::buildModels ( )

After all model exemplars have been given, build final model histograms and set up variance bins.

Definition at line 394 of file LocalBinaryPatterns.C.

References convertIncompleteModels(), itsModels, itsTempVariance, and merge().

void LocalBinaryPatterns::colorSum	(	Image< PixRGB< byte > >	img,
		Rectangle	rec,
		float &	rg,
		float &	by
	)

Sum the colors within the rectangle.

Definition at line 217 of file LocalBinaryPatterns.C.

References ASSERT, getLAB(), Image< T >::getVal(), Dims::h(), and Dims::w().

Referenced by createRawHistogram().

void LocalBinaryPatterns::convertIncompleteModels ( )

Convert incomplete models to complete models.

Definition at line 422 of file LocalBinaryPatterns.C.

References convertVariance(), itsModels, itsTempColor, itsTempLBP, and itsTempVariance.

Referenced by buildModels().

std::vector< float > LocalBinaryPatterns::convertVariance ( const std::vector< float > & vars )

Convert list of variances to a variance histogram.

Definition at line 239 of file LocalBinaryPatterns.C.

Referenced by convertIncompleteModels(), and createHistogram().

std::vector< float > LocalBinaryPatterns::createHistogram ( const Image< PixRGB< byte > > & texture )

Return the final histogram.

Definition at line 107 of file LocalBinaryPatterns.C.

References convertVariance(), and createRawHistogram().

void LocalBinaryPatterns::createRawHistogram	(	const Image< PixRGB< byte > > &	colTexture,
		std::vector< float > &	lbps,
		std::vector< float > &	col,
		std::vector< float > &	vars
	)