#include <WriterDatabase.h>

Public Types
enum	type { WI_GMM, WI_BOW, WI_UNDEFINED }
	Returns the vocabulary type. More...

Public Member Functions
	WriterVocabulary ()
	Initializes a new instance of the WIVocabulary class. More...

void	loadVocabulary (const QString filePath)
	Loads the vocabulary from the given file path. updates the mVocabulary path More...

void	saveVocabulary (const QString filePath)
	Saves the vocabulary to the given file path. updates the mVocabularyPath, thus this method is not const More...

cv::Mat	calcualteDistanceMatrix (cv::Mat hists) const
	Calcualtes the distance matrix of the histograms given in the RxC matrix. Depending on the type of the vocabulary either the consine distance (GMM) or the euclidean (BOW) distance is used. More...

bool	isEmpty () const
	Determines whether the vocabulary is empty respl. not trained. More...

void	setVocabulary (cv::Mat voc)
	Sets the vocabulary for BOW. More...

cv::Mat	vocabulary () const
	BOW vocabulary of this instance More...

void	setEM (cv::Ptr< cv::ml::EM > em)
	Sets the em for GMM. More...

cv::Ptr< cv::ml::EM >	em () const
	the EM of this instance. More...

void	setPcaMean (cv::Mat mean)
	Sets the mean Mat of the PCA. More...

cv::Mat	pcaMean () const
	Mean values of the PCA. More...

void	setPcaEigenvectors (cv::Mat ev)
	Sets the pca eigenvectors. More...

cv::Mat	pcaEigenvectors () const
	Returns the Eigenvectors of the PCA. More...

void	setPcaEigenvalues (cv::Mat ev)
	Sets the PCA eigenvalues More...

cv::Mat	pcaEigenvalues () const
	Returns the Eigenvalues of the PCA More...

void	setPcaWhiteMean (cv::Mat mean)

cv::Mat	pcaWhiteMean () const

void	setPcaWhiteEigenvectors (cv::Mat ev)

cv::Mat	pcaWhiteEigenvectors () const

void	setPcaWhiteEigenvalues (cv::Mat ev)

cv::Mat	pcaWhiteEigenvalues () const

void	setL2Mean (const cv::Mat l2mean)
	sets the mean Mat of the L2 noramlization More...

cv::Mat	l2Mean () const
	Returns the mean Mat of the L2 normalization More...

void	setL2Sigma (const cv::Mat l2sigma)
	Sets the variance of the L2 normalization. More...

cv::Mat	l2Sigma () const
	Returns the variance Mat of the L2 normalization More...

void	setHistL2Mean (const cv::Mat mean)
	Sets the l2 mean which is applied to the histograms. More...

cv::Mat	histL2Mean () const
	Returns the means which are applied to the histogram More...

void	setHistL2Sigma (const cv::Mat sigma)
	Sets the l2 mean which is applied to the features. More...

cv::Mat	histL2Sigma () const
	Returns the means which are applied to the features More...

void	setNumberOfCluster (const int number)
	Sets the number of cluster. More...

int	numberOfCluster () const
	Numbers of clusters. More...

void	setNumberOfPCA (const int number)
	Sets the number of PCA components which should be used More...

int	numberOfPCA () const
	Numbers the of pca. More...

void	setType (const int type)
	Sets the type of the vocabulary. More...

int	type () const

void	setNote (QString note)
	Sets a note to the vocabulary. More...

void	setMinimumSIFTSize (const int size)
	Sets the minimum size for sift features, all features smaller than this size are filtered out. More...

int	minimumSIFTSize () const
	Returns the value of the minimum SIFT features size More...

void	setMaximumSIFTSize (const int size)
	Sets the maximum size for sift features, all features larger than this size are filtered out. More...

int	maximumSIFTSize () const
	Returns the value of the maximum SIFT features size More...

void	setPowerNormalization (const double power)
	Sets the power normalization for the feature vector. More...

double	powerNormalization () const
	Returns the factor of the power normalization used. More...

void	setNumOfPCAWhiteComp (const int numOfComp)

int	numberOfPCAWhiteningComponents () const

void	setL2Before (const bool l2before)
	Sets the L2 before flag (perform L2 normalization before generating the fisher vector). More...

bool	l2before () const
	Setting if a L2 normalization should be performed before generating the feature vector More...

QString	note () const
	Returns the note of the vocabulary. More...

QString	toString () const
	Creates a string with a description of the current vocabulary More...

QString	vocabularyPath () const
	Path of the vocabulary More...

cv::Mat	generateHist (cv::Mat desc) const
	Generates the histogram according to the vocabulary type More...

cv::Mat	applyPCA (cv::Mat desc) const
	Applies the PCA with the stored Eigenvalues and Eigenvectors of the vocabulary. More...

Member Enumeration Documentation

enum int rdf::WriterVocabulary::type

Returns the vocabulary type.

Returns: type of the vocabulary

Enumerator
WI_GMM
WI_BOW
WI_UNDEFINED

Constructor & Destructor Documentation

rdf::WriterVocabulary::WriterVocabulary ( )

Initializes a new instance of the WIVocabulary class.

Member Function Documentation

cv::Mat rdf::WriterVocabulary::applyPCA ( cv::Mat desc ) const

Applies the PCA with the stored Eigenvalues and Eigenvectors of the vocabulary.

Parameters

desc The desc.

Returns: the projected descriptors

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cv::Mat rdf::WriterVocabulary::calcualteDistanceMatrix ( cv::Mat hists ) const

Calcualtes the distance matrix of the histograms given in the RxC matrix. Depending on the type of the vocabulary either the consine distance (GMM) or the euclidean (BOW) distance is used.

Parameters

hists a matrix with the feature vectors of different images stored in the rows

Returns: a RxR matrix of the distances between the feature vectors in the rows of the input matrix.

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cv::Ptr< cv::ml::EM > rdf::WriterVocabulary::em ( ) const

the EM of this instance.

Returns

cv::Mat rdf::WriterVocabulary::generateHist ( cv::Mat desc ) const

Generates the histogram according to the vocabulary type

Parameters

desc	Descriptors of an image.

Returns: the generated histogram

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cv::Mat rdf::WriterVocabulary::histL2Mean ( ) const

Returns the means which are applied to the histogram

Returns

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cv::Mat rdf::WriterVocabulary::histL2Sigma ( ) const

Returns the means which are applied to the features

Returns

bool rdf::WriterVocabulary::isEmpty ( ) const

Determines whether the vocabulary is empty respl. not trained.

Returns

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bool rdf::WriterVocabulary::l2before ( ) const

Setting if a L2 normalization should be performed before generating the feature vector

Returns

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cv::Mat rdf::WriterVocabulary::l2Mean ( ) const

Returns the mean Mat of the L2 normalization

Returns: mean Mat

cv::Mat rdf::WriterVocabulary::l2Sigma ( ) const

Returns the variance Mat of the L2 normalization

Returns: variance Mat

void rdf::WriterVocabulary::loadVocabulary ( const QString filePath )

Loads the vocabulary from the given file path. updates the mVocabulary path

Parameters

filePath The file path.

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int rdf::WriterVocabulary::maximumSIFTSize ( ) const

Returns the value of the maximum SIFT features size

Returns: maximum size of the SIFT features

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int rdf::WriterVocabulary::minimumSIFTSize ( ) const

Returns the value of the minimum SIFT features size

Returns: minimum size of the SIFT features

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QString rdf::WriterVocabulary::note ( ) const

Returns the note of the vocabulary.

Returns

int rdf::WriterVocabulary::numberOfCluster ( ) const

Numbers of clusters.

Returns: number of clusters

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int rdf::WriterVocabulary::numberOfPCA ( ) const

Numbers the of pca.

Returns: The number of PCA components

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int rdf::WriterVocabulary::numberOfPCAWhiteningComponents ( ) const

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cv::Mat rdf::WriterVocabulary::pcaEigenvalues ( ) const

Returns the Eigenvalues of the PCA

Returns: Mat of the eigenvalues

cv::Mat rdf::WriterVocabulary::pcaEigenvectors ( ) const

Returns the Eigenvectors of the PCA.

Returns: Mat of the Eigenvectors

cv::Mat rdf::WriterVocabulary::pcaMean ( ) const

Mean values of the PCA.

Returns: mean Mat

cv::Mat rdf::WriterVocabulary::pcaWhiteEigenvalues ( ) const

cv::Mat rdf::WriterVocabulary::pcaWhiteEigenvectors ( ) const

cv::Mat rdf::WriterVocabulary::pcaWhiteMean ( ) const

double rdf::WriterVocabulary::powerNormalization ( ) const

Returns the factor of the power normalization used.

Returns: the current power normalization factor

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void rdf::WriterVocabulary::saveVocabulary ( const QString filePath )

Saves the vocabulary to the given file path. updates the mVocabularyPath, thus this method is not const

Parameters

filePath The file path.

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void rdf::WriterVocabulary::setEM ( cv::Ptr< cv::ml::EM > em )

Sets the em for GMM.

Parameters

em The em.

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void rdf::WriterVocabulary::setHistL2Mean ( const cv::Mat mean )

Sets the l2 mean which is applied to the histograms.

Parameters

mean The mean.

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void rdf::WriterVocabulary::setHistL2Sigma ( const cv::Mat sigma )

Sets the l2 mean which is applied to the features.

Parameters

sigma The sigma.

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void rdf::WriterVocabulary::setL2Before ( const bool l2before )

Sets the L2 before flag (perform L2 normalization before generating the fisher vector).

Parameters

l2before The l2before.

void rdf::WriterVocabulary::setL2Mean ( const cv::Mat l2mean )

sets the mean Mat of the L2 noramlization

Parameters

l2mean Mean Mat.

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void rdf::WriterVocabulary::setL2Sigma ( const cv::Mat l2sigma )

Sets the variance of the L2 normalization.

Parameters

l2sigma variance Mat.

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void rdf::WriterVocabulary::setMaximumSIFTSize ( const int size )

Sets the maximum size for sift features, all features larger than this size are filtered out.

Parameters

size The size.

void rdf::WriterVocabulary::setMinimumSIFTSize ( const int size )

Sets the minimum size for sift features, all features smaller than this size are filtered out.

Parameters

size	The minimum size in pixels.

void rdf::WriterVocabulary::setNote ( QString note )

Sets a note to the vocabulary.

Parameters

note note.

void rdf::WriterVocabulary::setNumberOfCluster ( const int number )

Sets the number of cluster.

Parameters

number number of clusters.

void rdf::WriterVocabulary::setNumberOfPCA ( const int number )

Sets the number of PCA components which should be used

Parameters

number The number of PCA components.

void rdf::WriterVocabulary::setNumOfPCAWhiteComp ( const int numOfComp )

void rdf::WriterVocabulary::setPcaEigenvalues ( cv::Mat ev )

Sets the PCA eigenvalues

Parameters

ev	The eigenvalues

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void rdf::WriterVocabulary::setPcaEigenvectors ( cv::Mat ev )

Sets the pca eigenvectors.

Parameters

ev	The eigenvectors

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void rdf::WriterVocabulary::setPcaMean ( cv::Mat mean )

Sets the mean Mat of the PCA.

Parameters

mean	The mean Mat.

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void rdf::WriterVocabulary::setPcaWhiteEigenvalues ( cv::Mat ev )

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void rdf::WriterVocabulary::setPcaWhiteEigenvectors ( cv::Mat ev )

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void rdf::WriterVocabulary::setPcaWhiteMean ( cv::Mat mean )

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void rdf::WriterVocabulary::setPowerNormalization ( const double power )

Sets the power normalization for the feature vector.

Parameters

power The power normalization factor.

void rdf::WriterVocabulary::setType ( const int type )

Sets the type of the vocabulary.

Parameters

type The type.

void rdf::WriterVocabulary::setVocabulary ( cv::Mat voc )

Sets the vocabulary for BOW.

Parameters

voc The voc.

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QString rdf::WriterVocabulary::toString ( ) const

Creates a string with a description of the current vocabulary

Returns: a short description

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int rdf::WriterVocabulary::type ( ) const

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cv::Mat rdf::WriterVocabulary::vocabulary ( ) const

BOW vocabulary of this instance

Returns: the BOW vocabulary

QString rdf::WriterVocabulary::vocabularyPath ( ) const

Path of the vocabulary

Returns

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

src/Module/WriterDatabase.h
src/Module/WriterDatabase.cpp

Public Types

Public Member Functions

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation