Guo, Zhan, Zuming Xiao, Roobaea Alroobaea, Abdullah M. Baqasah, Anas Althobaiti, and Harsimranjit Singh Gill. “Design and Study of Urban Rail Transit Security System Based on Face Recognition Technology”. Informatica 46, no. 3 (September 15, 2022). Accessed June 23, 2025. https://puffbird.ijs.si/index.php/informatica/article/view/3862.