symmetryTest      121 samples/cpp/tutorial_code/calib3d/real_time_pose_estimation/src/RobustMatcher.cpp   symmetryTest(matches12, matches21, good_matches);
symmetryTest       56 samples/cpp/tutorial_code/calib3d/real_time_pose_estimation/src/RobustMatcher.h   void symmetryTest( const std::vector<std::vector<cv::DMatch> >& matches1,