Shaikh, Muhammad Shafique, and Yasuhiko Dote. “A Watermarking Scheme for Digital Images Using Multilevel Wavelet Decomposition”. Malaysian Journal of Computer Science 16, no. 1 (June 1, 2003): 24–36. Accessed December 23, 2024. https://juku.um.edu.my/index.php/MJCS/article/view/6115.