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HxGaborIIRImgGtor.h

/*
 *  Copyright (c) 2003, University of Amsterdam, The Netherlands.
 *  All rights reserved.
 *
 *  Author(s):
 *  Jan van Gemert  (jvgemert@science.uva.nl)
 *  Jan-Mark Geusebroek (mark@science.uva.nl)
 */

#ifndef HxGaborIIRImgGtor_h
#define HxGaborIIRImgGtor_h

//#include "HxSubscribedImgGtor.h"
#include "HxImageGenerator.h"
#include "HxComplex.h"
#include "HxTagList.h"
/*

Generate separated (1d) Gabor filter.
Taglist parameters are:

double sigma    : standard deviation of the filter
double omega0   : Desired frequency of the filter
*/

class HxGaborIIRImgGtor : public HxImageGenerator
{
public:
                            HxGaborIIRImgGtor(double sigma, double omega0, HxComplex &borderIn, HxComplex &borderOut);

    virtual HxSizes         domainSize() const
                                {return HxSizes(7,1,1);}

    virtual HxVec3Double    get(int x, int y, int z)
                                {return HxVec3Double(_re[x], _im[x],0);}


private:
    double                 _re[7];
    double                 _im[7];
};

#endif

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