Chen, Yingjie, Diqi Chen, Tao Wang, Yizhou Wang, and Yun Liang. “Causal Intervention for Subject-Deconfounded Facial Action Unit Recognition”. Proceedings of the AAAI Conference on Artificial Intelligence 36, no. 1 (June 28, 2022): 374-382. Accessed April 18, 2024. https://ojs.aaai.org/index.php/AAAI/article/view/19914.