Yang, Ching Yu, and Kuang Tsan Lin. “Hiding Data in Electrocardiogram Based on IWT Domain via Simple Coefficient Adjustment”. Asian Journal of Computer and Information Systems 4, no. 3 (June 15, 2016). Accessed May 9, 2024. https://www.ajouronline.com/index.php/AJCIS/article/view/3859.