[14] WANG Lei, ZHAO Xu, LIU Yuncai. Reduce false positives for object detection by a priori probability in videos[J]. Neurocomputing, 2016, 208: 325-332.
[15] Recchia G, Fasano G, Accardo D, et al. An optical-flow based electro-optical see-and-avoid system for UAVs[C]//Proceedings of IEEE 2007 Aerospace Conference, 2007: DOI:10.1109/AERO.2007.352759.