New Techniques of Watermark Images using Bit Plane Slicing and Cubic-spline Interpolation. Ibn AL-Haitham Journal For Pure and Applied Sciences, [S. l.], v. 32, n. 3, p. 184–192, 2019. DOI: 10.30526/32.3.2295. Disponível em: https://jih.uobaghdad.edu.iq/index.php/j/article/view/2295.. Acesso em: 4 may. 2024.