compute_constraint_distance_3param_6eq_6unk_f_unk  362 modules/calib3d/src/upnp.cpp   Mat D = compute_constraint_distance_3param_6eq_6unk_f_unk( Kmf1, Kmf2 );
compute_constraint_distance_3param_6eq_6unk_f_unk   99 modules/calib3d/src/upnp.h       cv::Mat compute_constraint_distance_3param_6eq_6unk_f_unk(const cv::Mat& M1, const cv::Mat& M2);