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/*=============================================================================
** Lynkeos
** $Id: corelation.h,v 1.7 2005/01/27 23:13:53 j-etienne Exp $
**-----------------------------------------------------------------------------
**
** Created by Jean-Etienne LAMIAUD on Aug 5, 2003
** Copyright (c) 2003-2005. Jean-Etienne LAMIAUD
**
** 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, write to the Free Software
** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
**
**-----------------------------------------------------------------------------
*/
#ifndef __CORELATION_H
#define __CORELATION_H
#include "fourier.h"
typedef struct
{
double x;
double y;
double val;
double sigma_x;
double sigma_y;
} CORRELATION_PEAK;
typedef struct
{
CORRELATION_PEAK red, green, blue;
} CORRELATION_PEAK_RGB;
extern void correlate( FFT_DATA s1, FFT_DATA s2, FFT_DATA r );
extern void correlate_spectrums( FFT_DATA s1, FFT_DATA s2, FFT_DATA r );
extern void corelation_peak( FFT_DATA result, CORRELATION_PEAK *peak );
#endif
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