LocalBinaryPatterns Class Reference

Multiclass LocalBinaryPatterns Class. More...

#include <Features/LocalBinaryPatterns.H>

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List of all members.

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 
)

Determine the LBP histogram and variance values.

Definition at line 119 of file LocalBinaryPatterns.C.

References abs(), ASSERT, colorSum(), Image< T >::getHeight(), Image< T >::getValInterp(), Image< T >::getWidth(), and min().

Referenced by addModel(), and createHistogram().

LocalBinaryPatterns::MapModelVector LocalBinaryPatterns::getIncompleteModels (  ) 

Return the incomplete models in a combined format.

Definition at line 306 of file LocalBinaryPatterns.C.

References itsTempColor, itsTempLBP, and itsTempVariance.

void LocalBinaryPatterns::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.

Definition at line 197 of file LocalBinaryPatterns.C.

LocalBinaryPatterns::MapModelVector LocalBinaryPatterns::getModels (  ) 

Return a map of the built models.

Definition at line 263 of file LocalBinaryPatterns.C.

References itsModels.

uint LocalBinaryPatterns::getTotalModelExemplars ( MapModelVector  models  ) 

Get total number of model exemplars.

Get number of models.

Definition at line 511 of file LocalBinaryPatterns.C.

std::vector< float > LocalBinaryPatterns::merge ( const std::vector< float > &  left,
const std::vector< float > &  right 
)

Merge two ordered vectors.

Definition at line 356 of file LocalBinaryPatterns.C.

Referenced by buildModels().

int LocalBinaryPatterns::predict ( const Image< float > &  texture  ) 

Predict using classifier.

LocalBinaryPatterns::MapModelVector LocalBinaryPatterns::readModelsFile ( std::string  modelsFile  ) 

Read file of models into system.

Definition at line 523 of file LocalBinaryPatterns.C.

void LocalBinaryPatterns::setIncompleteModels ( const MapModelVector incompleteModels  ) 

Load the incomplete models from a combined format.

Definition at line 285 of file LocalBinaryPatterns.C.

References addModel().

void LocalBinaryPatterns::setModels ( const MapModelVector models  ) 

Set the map of built models.

Definition at line 268 of file LocalBinaryPatterns.C.

References itsModels.

void LocalBinaryPatterns::writeModelsFile ( std::string  modelsFile,
MapModelVector  models 
)

Write file of models out.

Definition at line 561 of file LocalBinaryPatterns.C.


Member Data Documentation

Store each model.

Definition at line 141 of file LocalBinaryPatterns.H.

Referenced by buildModels(), convertIncompleteModels(), getModels(), and setModels().

List of color histogram models.

Definition at line 147 of file LocalBinaryPatterns.H.

Referenced by addModel(), convertIncompleteModels(), and getIncompleteModels().

Temporary LBP models (multiple per class).

Definition at line 143 of file LocalBinaryPatterns.H.

Referenced by addModel(), convertIncompleteModels(), and getIncompleteModels().

List of actual variances, kept until training is complete so that a full histogram can be built.

Definition at line 145 of file LocalBinaryPatterns.H.

Referenced by addModel(), buildModels(), convertIncompleteModels(), and getIncompleteModels().


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