Improved Degraded Document Image Binarization Using Median Filter for Background Estimation. Elektronika ir Elektrotechnika, [S. l.], v. 24, n. 3, p. 82–87, 2018. DOI: 10.5755/j01.eie.24.3.20982. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/20982.. Acesso em: 5 dec. 2025.