ALWAN, I. M. Multi-Focus Image Fusion Based on Pixel Significance Using Counterlet Transform. Al-Khwarizmi Engineering Journal (Alkej), [S. l.], v. 11, n. 3, p. 85–95, 2015. Disponível em: https://alkej.uobaghdad.edu.iq/index.php/alkej/article/view/247. Acesso em: 19 may. 2022.