CANAL, Felipe Zago; LOPEZ, Dennis Paz; POZZEBON, Eliane; SOBIERANSKI, Antonio C. A Systematic Review of Facial Detection and Expression Recognition in Groups of People. RENOTE, Porto Alegre, v. 21, n. 2, p. 141–157, 2023. DOI: 10.22456/1679-1916.137735. Disponível em: https://seer.ufrgs.br/index.php/renote/article/view/137735. Acesso em: 21 out. 2026.