Optimizing face sensor-based attendance system using wavelet method for enhanced security and efficiency. Vertex, [S. l.], v. 11, n. 2, p. 50–55, 2022. DOI: 10.35335/629k6b98. Disponível em: https://pub.iocscience.org/index.php/Vertex/article/view/22. Acesso em: 18 jun. 2026.