Abdul-Niby, M., M. Alameen, O. Irscheid, M. Baidoun, and H. Mourtada. “A Hands-Free Obstacle Detection and Avoidance System”. Engineering, Technology & Applied Science Research 5, no. 3 (June 21, 2015): 801–804. Accessed April 6, 2025. https://mail.etasr.com/index.php/ETASR/article/view/562.