Efficient Filter for EEG Signal Using Non Local Mean Approach. Journal of Al-Rafidain University College For Sciences ( Print ISSN: 1681-6870 ,Online ISSN: 2790-2293 ), [S. l.], v. 41, n. 3, p. 304–319, 2021. DOI: 10.55562/jrucs.v41i3.189. Disponível em: https://jrucs.iq/index.php/JAUCS/article/view/189. Acesso em: 10 may. 2026.