Inter-Class Analysis of Frequency-Band Similarity in Gastrointestinal Endoscopic Image Datasets. Muthanna Journal of Pure Science, [S. l.], v. 12, n. 2, 2026. DOI: 10.52113/2/12.02.2025/166-187. Disponível em: https://www.muthuni-ojs.org/index.php/mjps/article/view/1136. Acesso em: 10 may. 2026.