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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 MAPPROJEC_H_
#define MAPPROJEC_H_
#include "map.hpp"
namespace cv {
namespace reg {
//! @addtogroup reg
//! @{
/*!
* Defines an transformation that consists on a projective transformation
*/
class CV_EXPORTS MapProjec : public Map
{
public:
/*!
* Default constructor builds an identity map
*/
MapProjec(void);
/*!
* Constructor providing explicit values
* \param[in] projTr Projective transformation
*/
MapProjec(const cv::Matx<double, 3, 3>& projTr);
/*!
* Destructor
*/
~MapProjec(void);
void inverseWarp(const cv::Mat& img1, cv::Mat& img2) const;
cv::Ptr<Map> inverseMap(void) const;
void compose(const Map& map);
void scale(double factor);
/*!
* Returns projection matrix
* \return Projection matrix
*/
const cv::Matx<double, 3, 3>& getProjTr() const {
return projTr_;
}
/*!
* Normalizes object's homography
*/
void normalize(void) {
double z = 1./projTr_(2, 2);
for(size_t v_i = 0; v_i < sizeof(projTr_.val)/sizeof(projTr_.val[0]); ++v_i)
projTr_.val[v_i] *= z;
}
private:
cv::Matx<double, 3, 3> projTr_; /*< Projection matrix */
};
//! @}
}} // namespace cv::reg
#endif // MAPPROJEC_H_
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