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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_