Diff: include/opencv2/stitching/detail/autocalib.hpp

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0:0e0631af0305

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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.
+//
+//
+//                          License Agreement
+//                For Open Source Computer Vision Library
+//
+// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
+// Copyright (C) 2009, Willow Garage Inc., 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 Intel Corporation or 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 OPENCV_STITCHING_AUTOCALIB_HPP
+#define OPENCV_STITCHING_AUTOCALIB_HPP
+
+#include "opencv2/core.hpp"
+#include "matchers.hpp"
+
+namespace cv {
+namespace detail {
+
+//! @addtogroup stitching_autocalib
+//! @{
+
+/** @brief Tries to estimate focal lengths from the given homography under the assumption that the camera
+undergoes rotations around its centre only.
+
+@param H Homography.
+@param f0 Estimated focal length along X axis.
+@param f1 Estimated focal length along Y axis.
+@param f0_ok True, if f0 was estimated successfully, false otherwise.
+@param f1_ok True, if f1 was estimated successfully, false otherwise.
+
+See "Construction of Panoramic Image Mosaics with Global and Local Alignment"
+by Heung-Yeung Shum and Richard Szeliski.
+ */
+void CV_EXPORTS focalsFromHomography(const Mat &H, double &f0, double &f1, bool &f0_ok, bool &f1_ok);
+
+/** @brief Estimates focal lengths for each given camera.
+
+@param features Features of images.
+@param pairwise_matches Matches between all image pairs.
+@param focals Estimated focal lengths for each camera.
+ */
+void CV_EXPORTS estimateFocal(const std::vector<ImageFeatures> &features,
+                              const std::vector<MatchesInfo> &pairwise_matches,
+                              std::vector<double> &focals);
+
+bool CV_EXPORTS calibrateRotatingCamera(const std::vector<Mat> &Hs, Mat &K);
+
+//! @} stitching_autocalib
+
+} // namespace detail
+} // namespace cv
+
+#endif // OPENCV_STITCHING_AUTOCALIB_HPP