reprojection_error  307 modules/calib3d/src/epnp.cpp   return reprojection_error(R, t);
reprojection_error   41 modules/calib3d/src/epnp.h   double reprojection_error(const double R[3][3], const double t[3]);
reprojection_error  242 modules/calib3d/src/upnp.cpp   return reprojection_error(R, t);
reprojection_error   85 modules/calib3d/src/upnp.h       double reprojection_error(const double R[3][3], const double t[3]);