Fig. 1. Schematic diagram of three-dimensional aircraft tracking based on consistent displacement vector

Fig. 2. Definition of association objects error vector

Fig. 3. Experimental process of feasibility verification of multi-target 3D trajectory tracking algorithm

Fig. 4. Tracking error distribution of multi-vehicle

Fig. 5. Tracking error of the proposed algorithm relative to the literature [17]

Fig. 6. Schematic diagram of trajectory recognition

Fig. 7. Hausdorff metric between trajectories

Fig. 8. Circular tracking error calculation schematic

Fig. 9. Target point images collected in actual experiments

Fig. 10. Tracking error distribution of multi-vehicle