A COMPREHENSIVE REVIEW ON SOBEL EDGE DETECTOR UTILIZING GRAY SCALE IMAGES . Phoenix: International Multidisciplinary Research Journal ( Peer reviewed High Impact Journal ), [S. l.], v. 3, n. 3, p. 130–136, 2025. DOI: 10.65009/6rf2v215. Disponível em: https://pimrj.org/index.php/pimrj/article/view/164.. Acesso em: 6 may. 2026.