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/*M///////////////////////////////////////////////////////////////////////////////////////
//
//  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
//
//  By downloading, copying, installing or using the software you agree to this license.
//  If you do not agree to this license, do not download, install,
//  copy or use the software.
//
// Copyright (C) 2013, Alfonso Sanchez-Beato, all rights reserved.
// Third party copyrights are property of their respective owners.
//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
//   * Redistribution's of source code must retain the above copyright notice,
//     this list of conditions and the following disclaimer.
//
//   * Redistribution's in binary form must reproduce the above copyright notice,
//     this list of conditions and the following disclaimer in the documentation
//     and/or other materials provided with the distribution.
//
//   * The name of the copyright holders may not be used to endorse or promote products
//     derived from this software without specific prior written permission.
//
// This software is provided by the copyright holders and contributors "as is" and
// any express or implied warranties, including, but not limited to, the implied
// warranties of merchantability and fitness for a particular purpose are disclaimed.
// In no event shall the contributors be liable for any direct,
// indirect, incidental, special, exemplary, or consequential damages
// (including, but not limited to, procurement of substitute goods or services;
// loss of use, data, or profits; or business interruption) however caused
// and on any theory of liability, whether in contract, strict liability,
// or tort (including negligence or otherwise) arising in any way out of
// the use of this software, even if advised of the possibility of such damage.
//
//M*/

#ifndef MAPPERPYRAMID_H_
#define MAPPERPYRAMID_H_

#include "mapper.hpp"


namespace cv {
namespace reg {

//! @addtogroup reg
//! @{

/*!
 * Calculates a map using a gaussian pyramid
 */
class CV_EXPORTS MapperPyramid: public Mapper
{
public:
    /*
     * Constructor
     * \param[in] baseMapper Base mapper used for the refinements
     */
    MapperPyramid(const Mapper& baseMapper);

    void calculate(const cv::Mat& img1, const cv::Mat& img2, cv::Ptr<Map>& res) const;

    cv::Ptr<Map> getMap(void) const;

    unsigned numLev_;           /*!< Number of levels of the pyramid */
    unsigned numIterPerScale_;  /*!< Number of iterations at a given scale of the pyramid */

private:
    MapperPyramid& operator=(const MapperPyramid&);
    const Mapper& baseMapper_;  /*!< Mapper used in inner level */
};

//! @}

}}  // namespace cv::reg

#endif  // MAPPERPYRAMID_H_