Cong, Jin, and Jiaxiong Peng. “Affine Invariant Watermark Scheme Using Genetic Algorithm”. INFOCOMP Journal of Computer Science 4, no. 4 (December 1, 2005): 20–26. Accessed January 8, 2025. http://177.105.60.18/index.php/infocomp/article/view/108.