Autocalibration===============.. highlight:: cppdetail::focalsFromHomography----------------------------Tries to estimate focal lengths from the given homography under the assumption that the camera undergoes rotations around its centre only... ocv:function:: void detail::focalsFromHomography(const Mat &H, double &f0, double &f1, bool &f0_ok, bool &f1_ok) :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.detail::estimateFocal---------------------Estimates focal lengths for each given camera... ocv:function:: void detail::estimateFocal(const std::vector<ImageFeatures> &features, const std::vector<MatchesInfo> &pairwise_matches, std::vector<double> &focals) :param features: Features of images. :param pairwise_matches: Matches between all image pairs. :param focals: Estimated focal lengths for each camera.