BHAGYASHRI S., Kapre; ARCHANA M., Rajurkar. Key-frame extraction based video watermarking using speeded up robust features and discrete cosine transform. Computer Science and Information Technologies, [S. l.], v. 4, n. 1, p. 85–94, 2023. DOI: 10.11591/csit.v4i1.p85-94. Disponível em: https://csit.iaesprime.org/index.php/csit/article/view/89. Acesso em: 10 nov. 2026.