SUB 19 samples/cpp/tutorial_code/calib3d/real_time_pose_estimation/src/PnPProblem.cpp cv::Point3f SUB(cv::Point3f v1, cv::Point3f v2); SUB 278 samples/cpp/tutorial_code/calib3d/real_time_pose_estimation/src/PnPProblem.cpp e1 = SUB(V2, V1); SUB 279 samples/cpp/tutorial_code/calib3d/real_time_pose_estimation/src/PnPProblem.cpp e2 = SUB(V3, V1); SUB 292 samples/cpp/tutorial_code/calib3d/real_time_pose_estimation/src/PnPProblem.cpp T = SUB(O, V1); SUB 56 samples/cpp/tutorial_code/calib3d/real_time_pose_estimation/src/PnPProblem.h cv::Point3f SUB(cv::Point3f v1, cv::Point3f v2);