Sequential LSTM-Based MRI Preprocessing and Attention-Enhanced EfficienNet U-Net for Brain Tumor Segmentation. International Research Journal on Advanced Engineering Hub (IRJAEH), [S. l.], v. 4, n. 09, p. 5422–5431, 2026. DOI: 10.47392/IRJAEH.2026.0706. Disponível em: https://irjaeh.com/index.php/journal/article/view/2026.. Acesso em: 2 oct. 2026.