PROF. C. J. SHELKE, G. R. B. Color Extended Visual Cryptography Using Error Diffusion With VIP Synchronization. International Journal of Engineering and Computer Science, india, v. 2, n. 10, 2013. Disponível em: http://ijecs.in/index.php/ijecs/article/view/2109. Acesso em: 25 apr. 2024.