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celeste/LogPolar.h

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/* Import from Gabor API

Copyright (c) 2002-3 Adriaan Tijsseling


                             All Rights Reserved

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program. If not, see <http://www.gnu.org/licenses/>.
*/

/*
        Description:            class for log polar filter
        Original Author:        Takio Kurita
        Ported by:              Adriaan Tijsseling (AGT)
*/

#ifndef __LOGPOLAR_CLASS__
#define __LOGPOLAR_CLASS__

#include <cstring>
#include "GaborGlobal.h"
#include "PGMImage.h"

class LogPolar
{
public:

    LogPolar(){ mCoords = NULL; mPolarized = NULL; }
    LogPolar( float** img, int height, int width, int minS, int ry = 30, int rx = 11 );
    ~LogPolar();

        void            ApplyFilter( float** img, int height, int width );
        void            Save( void );

        inline void             SetFileName( char* file ) { strcpy( mFile, file ); }
        inline float**  GetPolars( void ) { return mPolarized; }
        inline int              GetWidth() { return mWidth; }
        inline int              GetHeight(){ return mHeight; }

protected:

    float       **mCoords;              // logpolar coordinates img
    float       **mPolarized;   // result
    char        mFile[256];             // file name
    int         mMinHW;                 // shortest size of image
    int         mHeight;                // height of filter
    int         mWidth;                 // width of filter
    int         mImgHeight;             // height of output image
    int         mImgWidth;              // width of output image
};

#endif

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