1. Salmane, H., Khoudour, L., Ruichek, Y., et al.: A video-analysis-based railway-road safety system for detecting hazard situations at level crossings. IEEE Trans. Intell. Transp. Syst. 16(2), 596–609 (2015)
2. Li, H., Achim, A., Bull, D.R.: GMM-based efficient foreground detection with adaptive region update, 2009: 3181–3184
3. Nguyen, T.B., Van Nguyen, T., Chung, S.T.: A real-time pedestr ian detection based on agmm and hog for embedded surveillance. J. Korea Multimed. Soc., 18(11), 1289–1301 (2015)
4. Ciresan, D., Meier, U., Masci, J., et al.: Multi-column deep neural network for traffic sign classification. Neural Netw. 32, 333–338 (2012)
5. Liu, Y.: Study on an improved monitoring scheme for foreign matter intrusion into railway. Railw. Commun. Signal Eng. Technol., 10(2), 30–32 (2013)