autocalib.hpp

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00042 
00043 #ifndef __OPENCV_STITCHING_AUTOCALIB_HPP__
00044 #define __OPENCV_STITCHING_AUTOCALIB_HPP__
00045 
00046 #include "opencv2/core.hpp"
00047 #include "matchers.hpp"
00048 
00049 namespace cv {
00050 namespace detail {
00051 
00052 //! @addtogroup stitching_autocalib
00053 //! @{
00054 
00055 /** @brief Tries to estimate focal lengths from the given homography under the assumption that the camera
00056 undergoes rotations around its centre only.
00057 
00058 @param H Homography.
00059 @param f0 Estimated focal length along X axis.
00060 @param f1 Estimated focal length along Y axis.
00061 @param f0_ok True, if f0 was estimated successfully, false otherwise.
00062 @param f1_ok True, if f1 was estimated successfully, false otherwise.
00063 
00064 See "Construction of Panoramic Image Mosaics with Global and Local Alignment"
00065 by Heung-Yeung Shum and Richard Szeliski.
00066  */
00067 void CV_EXPORTS focalsFromHomography(const Mat &H, double &f0, double &f1, bool &f0_ok, bool &f1_ok);
00068 
00069 /** @brief Estimates focal lengths for each given camera.
00070 
00071 @param features Features of images.
00072 @param pairwise_matches Matches between all image pairs.
00073 @param focals Estimated focal lengths for each camera.
00074  */
00075 void CV_EXPORTS estimateFocal(const std::vector<ImageFeatures> &features,
00076                               const std::vector<MatchesInfo> &pairwise_matches,
00077                               std::vector<double> &focals);
00078 
00079 bool CV_EXPORTS calibrateRotatingCamera(const std::vector<Mat> &Hs, Mat &K);
00080 
00081 //! @} stitching_autocalib
00082 
00083 } // namespace detail
00084 } // namespace cv
00085 
00086 #endif // __OPENCV_STITCHING_AUTOCALIB_HPP__
00087