QASIM, A. F.; ALI, A. H. A fragile reversible watermarking technique for medical imaging security using prediction error expansion and Canny edge detection. Future Technology , [S. l.], v. 5, n. 4, p. 169–180, 2026. Disponível em: https://fupubco.com/futech/article/view/1171. Acesso em: 2 sep. 2026.