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GraphSegmentation.h

#ifndef GraphSegmentation_H
#define GraphSegmentation_H

#include <TeAdoDB.h>
#include <TeDatabase.h>
#include "Som.h"

class GraphSegmentation  {
public:

        GraphSegmentation(){};

        TIntVector Segment( SOM* som, int min_neurons_per_cluster );

        Value_Type  Davies_Bouldin( Value_Type p, Value_Type q );  

        Value_Type  Davies_Bouldin_Data( Value_Type p, Value_Type q );  

        int  getNumClusters() { return _num_clusters; };

        TIntVector Siponen();

        void createField( vector<string> params );


private:

        void Init( SOM* som );

        TMatrix Centroid( );

        TMatrix Distance( );

        TVector Winner( );

        TVector MeanDistance( );

        TMatrix AdjacentNode( );

        Value_Type    Hmin( );

        void  Label( int i, int& group, TIntVector& vec, bool& changed );
        
        
private:
        SOM * _som;
        
        TMatrix _adjacentNode;
        TMatrix _distance;
        TVector _winner;
        TVector _meanDistance;
        TMatrix _centroid;

        Value_Type      _Hmin;
        Value_Type      _delta;
        int             m;

        TIntVector  _clusters;
        TVector    _S;
        TMatrix    _M;
        int                _num_clusters;
        TIntVector _num_vector_cluster;
        TMatrix    _cluster_centroid;
        TMatrix    _R;
        
};


#endif

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