Sani, S. ., T. . Chimphet, N. . Sangprasert, and C. . Charoennatkul. “Trains Detection Using Video Processing Method for Automation Railroad Crossing”. Research on Modern Science and Utilizing Technological Innovation Journal (RMUTI Journal), vol. 13, no. 2, Mar. 2020, pp. 86-99, https://ph01.tci-thaijo.org/index.php/rmutijo/article/view/227579.