Ryu, Hobin, Sunghun Kang, Haeyong Kang, and Chang D. Yoo. “Semantic Grouping Network for Video Captioning”. Proceedings of the AAAI Conference on Artificial Intelligence 35, no. 3 (May 18, 2021): 2514-2522. Accessed January 26, 2022. https://ojs.aaai.org/index.php/AAAI/article/view/16353.