PRASAD, M. Mahadeva. Gradient Feature based Static Sign Language Recognition. International Journal of Computer Sciences and Engineering, [S. l.], v. 6, n. 12, p. 531–534, 2018. DOI: 10.26438/ijcse/v6i12.531534. Disponível em: https://ijcse.isroset.org/index.php/j/article/view/3912. Acesso em: 2 feb. 2026.