SINGH, Pritpal; SINGH, Balwinder. A Review of Document Image Binarization Techniques. International Journal of Computer Sciences and Engineering, [S. l.], v. 7, n. 6, p. 746–749, 2019. DOI: 10.26438/ijcse/v7i6.746749. Disponível em: https://ijcse.isroset.org/index.php/j/article/view/6857. Acesso em: 2 feb. 2026.