1. Institute of computing technologies of China academy of railway sciences, “High-speed railway perimeter intrusion alarm system technology implementation plan (2016)”
2. Ma H (2014) Research on the technologies of distributed intelligent monitoring for invasion limit of foreign body along the railway based on machine vision. Lanzhou Jiaotong University, Lan Zhou (in Chinese)
3. Lou R (2006) Study on video surveillance technology for railway roadblock. Southwest Jiaotong University, Chengdu (in Chinese)
4. García JJ, Ureña J, Hernández Á et al (2010) Efficient multisensory barrier for obstacle detection on railways. IEEE Trans Intell Transp Syst 11(3):702–713
5. Šilar Z, Dobrovolný M (2013) The obstacle detection on the railway crossing based on optical flow and clustering. In: Telecommunications and signal processing, 2013 36th international conference, Rome, IEEE, 755–759