add_keypoint       32 samples/cpp/tutorial_code/calib3d/real_time_pose_estimation/src/Model.h   void add_keypoint(const cv::KeyPoint &kp);
add_keypoint      210 samples/cpp/tutorial_code/calib3d/real_time_pose_estimation/src/main_registration.cpp         model.add_keypoint(keypoints_model[i]);