MRI BRAIN IMAGE ENHANCEMENT USING TRANSFER LEARNING AND QUATERNION MATRIX ANALYSIS- A REVIEW. International Engineering Journal For Research & Development, [S. l.], v. 2, n. Special Issue, p. 4, 2016. Disponível em: https://www.iejrd.com/index.php/iejrd/article/view/564. Acesso em: 30 apr. 2026.