get_nearest_3D_point   20 samples/cpp/tutorial_code/calib3d/real_time_pose_estimation/src/PnPProblem.cpp cv::Point3f get_nearest_3D_point(std::vector<cv::Point3f> &points_list, cv::Point3f origin);
get_nearest_3D_point  251 samples/cpp/tutorial_code/calib3d/real_time_pose_estimation/src/PnPProblem.cpp     point3d = get_nearest_3D_point(intersections_list, R.getP0());