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#ifndef __OPENCV_STITCHING_AUTOCALIB_HPP__
#define __OPENCV_STITCHING_AUTOCALIB_HPP__

#include "opencv2/core/core.hpp"
#include "matchers.hpp"

namespace cv {
namespace detail {

// 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);

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);

} // namespace detail
} // namespace cv

#endif // __OPENCV_STITCHING_AUTOCALIB_HPP__