Mohamed, Faraoun Kamel, and Rabhi Abbes. “RST Robust Watermarking Schema Based On Image Normalization and DCT Decomposition”. Malaysian Journal of Computer Science 20, no. 1 (June 1, 2007): 77–90. Accessed December 24, 2024. http://jice.um.edu.my/index.php/MJCS/article/view/6299.