PENG, Guozhu; WANG, Shangfei. Dual Semi-Supervised Learning for Facial Action Unit Recognition. Proceedings of the AAAI Conference on Artificial Intelligence, [S. l.], v. 33, n. 01, p. 8827–8834, 2019. DOI: 10.1609/aaai.v33i01.33018827. Disponível em: https://ojs.aaai.org/index.php/AAAI/article/view/4909. Acesso em: 26 jul. 2026.