Acharya, Himal, and Basanta Joshi. “Abnormal motion pattern detection in video sequences by an unsupervised approach”. Engineering and Applied Science Research 48, no. 5 (July 9, 2021): 509–517. accessed April 10, 2025. https://ph01.tci-thaijo.org/index.php/easr/article/view/241494.