R.Vishnu priya, Dr.J.Jayabharathy, G.Balamurugan,. “ABNORMAL EVENT SUMMARIZATION IN VIDEO SURVEILLANCE USING HIERARCHICAL RECURRENT NEURAL NETWORK”. Design Engineering (July 16, 2021): 3568-3579. Accessed May 4, 2024. http://thedesignengineering.com/index.php/DE/article/view/2770.