An Accurate Handwritten Digits Recognition system Based on DWT and FCT. Iraqi Journal of Science, [S. l.], v. 58, n. 4B, p. 2200–2210, 2021. DOI: 10.24996/ijs.2017.58.4B.23. Disponível em: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/5618.. Acesso em: 7 apr. 2025.