An Improved Probability Density Function (PDF) for Face Skin Detection. Iraqi Journal of Science, [S. l.], v. 63, n. 10, p. 4460–4473, 2022. DOI: 10.24996/ijs.2022.63.10.31. Disponível em: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/2691.. Acesso em: 19 may. 2024.