cayley_LS_M       248 modules/calib3d/src/dls.cpp     cv::Mat M2 = cayley_LS_M(f1coeff, f2coeff, f3coeff, u);
cayley_LS_M        60 modules/calib3d/src/dls.h     cv::Mat cayley_LS_M(const std::vector<double>& a, const std::vector<double>& b,