Neural Network based Recognition of an Emotion using PCA of Leg Postures of a Human Being. International Journal of Advance Engineering and Research Development (IJAERD), [S. l.], v. 5, n. 4, p. 34–41, 2018. Disponível em: https://ijaerd.org/index.php/IJAERD/article/view/3009. Acesso em: 7 sep. 2025.