GWALA, Dharmendra; SHRIVASTAVA, Vivek; PARIHAR, Pankaj Singh. Secure Images for Copyright by Watermarking in Transform Sphere using Bidirectional Neural Network. International Journal of Scientific Research in Computer Science and Engineering, [S. l.], v. 1, n. 5, p. 21–25, 2013. Disponível em: https://ijsrcse.isroset.org/index.php/j/article/view/47. Acesso em: 4 apr. 2025.