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HxKerNgbNormCorrelation.h

/*
 *  Copyright (c) 2000, University of Amsterdam, The Netherlands.
 *  All rights reserved.
 *
 *
 *  Author(s):
 *  Dennis Koelma (koelma@wins.uva.nl)
 *  Edo Poll (poll@wins.uva.nl)
 */

#ifndef HxKerNgbNormCorrelation_h
#define HxKerNgbNormCorrelation_h


template <class ArithT, class ResultT>
class HxKerNgbNormCorrelation
{
public:

    typedef HxTagLoop           IteratorCategory;

    typedef HxTag2Phase         PhaseCategory;


                        HxKerNgbNormCorrelation(HxTagList& tags);

                        ~HxKerNgbNormCorrelation();

    HxSizes             size();

    void                init(int ix, int iy, ArithT imVal);

    void                next(int x, int y, ArithT pixV, ArithT maskV);

    void                init2(int ix, int iy, ArithT imVal);

    void                next2(int x, int y, ArithT pixV, ArithT maskV);

    ResultT             result();

    static HxString     className();

private:
    int                 _num;
    ResultT             _fBar;
    ResultT             _wBar;
    ResultT             _sumFW;
    ResultT             _sumFSqr;
    ResultT             _sumWSqr;

    HxSizes             _ngbSize;
};

#ifdef INC_TEMPLATE_SRC
#include "HxKerNgbNormCorrelation.c"
#endif

#endif

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