Vorapatratorn, Surapol, Atiwong Suchato, and Proadpran Punyabukkana. “Fast Obstacle Detection System for the Blind Using Depth Image and Machine Learning”. Engineering and Applied Science Research 48, no. 5 (July 9, 2021): 593–603. Accessed April 19, 2024. https://ph01.tci-thaijo.org/index.php/easr/article/view/242952.