UFuzzySplit Class Reference

#include <ufuzzysplit.h>

Public Member Functions
bool	addElement (UFuzzyElement *elem)
bool	classify (int clusters, double stopVal, int maxLoopCnt, bool initialize)
bool	classifyOld (int clusters, double stopVal, int maxLoopCnt)
void	clear ()
void	countMembers ()
UFuzzyElement *	getElement (int index)
UMatrix *	getF (int clust)
int	getMembCount (int clust)
UMatrix *	getV (int clust)
bool	initFromValues (int clust, int inx, int idxCnt)
	UFuzzySplit ()
int	updateElement (UFuzzyElement *elem, int clustCnt)
	~UFuzzySplit ()

Protected Member Functions
bool	getCenter (int clust, double m, UFuzzyElement **e, int eCnt, UMatrix *pmV)
bool	getCovariance (int clust, double m, UFuzzyElement **e, int eCnt, UMatrix *pmF, UMatrix *pmV, UMatrix *pmAi)

Protected Attributes
int	clustCnt
int	elemClust [MAX_CLUSTER_CNT]
UFuzzyElement *	elems [MAX_ELEMENTS]
int	elemsCnt
UMatrix4	mAi [MAX_CLUSTER_CNT]
UMatrix4	mF [MAX_CLUSTER_CNT]
UMatrix4	mV [MAX_CLUSTER_CNT]

Static Protected Attributes
static const int	MAX_CLUSTER_CNT = 20
static const int	MAX_ELEMENTS = 100000

Detailed Description

Split fuzzy elements into n classes

Author

Christian Andersen

Constructor & Destructor Documentation

UFuzzySplit::UFuzzySplit

(

)

Constructor

References clear().

UFuzzySplit::~UFuzzySplit

(

)

Destructor

Member Function Documentation

bool UFuzzySplit::addElement

(

UFuzzyElement *

elem

)

Add element. Returns false if no more space.

References elems, elemsCnt, and MAX_ELEMENTS.

Referenced by UClientFuncImgGui::doFuzzyClassify(), UFuncFz::initializeClassesFromLine(), UFuncFz::loadNewImage(), testFuzzySplit(), and testFuzzySplit2().

bool UFuzzySplit::classify	(	int	clusters,
		double	stopVal,
		int	maxLoopCnt,
		bool	initialize
	)

Split into x classes

References clustCnt, elems, elemsCnt, getCenter(), getCovariance(), UFuzzyElement::getMaxClusterCnt(), UFuzzyElement::getMembValueChange(), UFuzzyElement::getVectorSize(), mAi, mF, mV, UFuzzyElement::setDistance(), UMatrix::setSize(), and UFuzzyElement::updateMembValue().

Referenced by UFuncFz::doClassify(), UClientFuncImgGui::doFuzzyClassify(), testFuzzySplit(), and testFuzzySplit2().

bool UFuzzySplit::classifyOld	(	int	clusters,
		double	stopVal,
		int	maxLoopCnt
	)

Old split function

References UFuzzyElement::addCovariance(), UFuzzyElement::addPosition(), UMatrix::clear(), clustCnt, countMembers(), UMatrix4::det(), elems, elemsCnt, getMembCount(), UFuzzyElement::getMembValueChange(), UMatrix4::inversed(), mAi, mF, UMatrix::mult(), mV, UFuzzyElement::print(), UMatrix::print(), UFuzzyElement::setDistance(), UMatrix::setSize(), and UFuzzyElement::updateMembValue().

void UFuzzySplit::clear

(

void

)

Clear all elements away

References elemsCnt.

Referenced by UFuncFz::doClassify(), UClientFuncImgGui::doFuzzyClassify(), UFuncFz::initializeClassesFromLine(), UFuncFz::loadNewImage(), and UFuzzySplit().

void UFuzzySplit::countMembers

(

)

Coumt members

References clustCnt, elemClust, elems, and elemsCnt.

Referenced by classifyOld(), UFuncFz::doClassify(), UClientFuncImgGui::doFuzzyClassify(), testFuzzySplit(), and testFuzzySplit2().

bool UFuzzySplit::getCenter ( int  clust, double  m, UFuzzyElement **  e, int  eCnt, UMatrix *  pmV  )

protected

Calculate center of cluster if 'clust' = -1, then membership is set to 1.0.

References UMatrix::clear(), elems, elemsCnt, and UMatrix::mult().

Referenced by classify(), getF(), and initFromValues().

bool UFuzzySplit::getCovariance ( int  clust, double  m, UFuzzyElement **  e, int  eCnt, UMatrix *  pmF, UMatrix *  pmV, UMatrix *  pmAi  )

protected

Calculate new value for covariance matrices. Requires that center is calculated (in pmV) Result is set in pmF and pmAi. Returns true

References UMatrix::add(), UMatrix::clear(), UMatrix::cols(), UMatrix4::det(), UMatrix4::inversed(), UMatrix::mult(), UMatrix::rows(), and UMatrix::setRC().

Referenced by classify(), getF(), and initFromValues().

UFuzzyElement * UFuzzySplit::getElement

(

int

index

)

Get pointer to an element

References elems, and elemsCnt.

UMatrix* UFuzzySplit::getF ( int  clust )

inline

Get cluster center mvector

References getCenter(), getCovariance(), and mF.

Referenced by UClientFuncImgGui::showUVImage().

int UFuzzySplit::getMembCount

(

int

clust

)

Get number of members in a group. NB! countMembers must be called first.

References elemClust.

Referenced by classifyOld(), UFuncFz::doClassify(), UClientFuncImgGui::doFuzzyClassify(), testFuzzySplit(), and testFuzzySplit2().

UMatrix* UFuzzySplit::getV ( int  clust )

inline

Get cluster center mvector

References mV.

Referenced by UClientFuncImgGui::showUVImage().

bool UFuzzySplit::initFromValues	(	int	clust,
		int	inx,
		int	idxCnt
	)

Set class center, covariance matrix and from these elements with a common membership value (=0.5)

References elems, elemsCnt, getCenter(), getCovariance(), UFuzzyElement::getVectorSize(), mAi, mF, mV, UFuzzyElement::setMembValue(), and UMatrix::setSize().

Referenced by UClientFuncImgGui::doFuzzyClassify(), UFuncFz::initializeClassesFromLine(), and testFuzzySplit2().

int UFuzzySplit::updateElement	(	UFuzzyElement *	elem,
		int	clustCnt
	)

Update this element with distance and membershop value. Returns number of best cluster

References clustCnt, UFuzzyElement::getClass(), mAi, mV, UFuzzyElement::setDistance(), and UFuzzyElement::updateMembValue().

Referenced by UClientFuncImgGui::getPixelClass(), and UFuncFz::getPixelClass().

Member Data Documentation

int UFuzzySplit::clustCnt

protected

Number of requested classes

Referenced by classify(), classifyOld(), countMembers(), and updateElement().

int UFuzzySplit::elemClust[MAX_CLUSTER_CNT]

protected

Number of elements in each cluster

Referenced by countMembers(), and getMembCount().

UFuzzyElement* UFuzzySplit::elems[MAX_ELEMENTS]

protected

Array of pointers to elements to classify

Referenced by addElement(), classify(), classifyOld(), countMembers(), getCenter(), getElement(), and initFromValues().

int UFuzzySplit::elemsCnt

protected

Number of elements in class

Referenced by addElement(), classify(), classifyOld(), clear(), countMembers(), getCenter(), getElement(), and initFromValues().

UMatrix4 UFuzzySplit::mAi[MAX_CLUSTER_CNT]

protected

Inverse Mahalanobi matrix values for classes

Referenced by classify(), classifyOld(), initFromValues(), and updateElement().

const int UFuzzySplit::MAX_CLUSTER_CNT = 20

staticprotected

Maximum number of clusters usable

const int UFuzzySplit::MAX_ELEMENTS = 100000

staticprotected

Maximum number of elements to classify

Referenced by addElement().

UMatrix4 UFuzzySplit::mF[MAX_CLUSTER_CNT]

protected

Covariance matrix values for classes

Referenced by classify(), classifyOld(), getF(), and initFromValues().

UMatrix4 UFuzzySplit::mV[MAX_CLUSTER_CNT]

protected

Cluster center

Referenced by classify(), classifyOld(), getV(), initFromValues(), and updateElement().

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

• ufuzzysplit.h
• ufuzzysplit.cpp