differenceImage.h

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// This software is distributed as part of the Improla library. 
// Improla is a library of classes for image processing.
// 
// Copyright (c) 2004, B. R. Siva Chandra, India
//
// 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.
//
// In case you would like to contact the author, use the following e-mail
// address: sivachandra_br@yahoo.com

// First Created    : 3rd October 2004
// Author           : Siva Chandra
// Purpose          : Declares a class used to perform image subtraction.

#ifndef __DIFFERENCE_IMAGE_H__
#define __DIFFERENCE_IMAGE_H__

#include <arithmeticImage.h>

namespace iptk
{ // Start of iptk namespace.

class DifferenceImage : public ArithmeticImage
{
public:
    DifferenceImage(void);
    
    DifferenceImage(const DifferenceImage &ai);
    
    virtual ~DifferenceImage();
    
    void evaluate(void);
};
    
} // End of iptk namespace.

#endif // __DIFFERENCE_IMAGE_H__

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