Alobaidi, Taif, and Wasfy Mikhael. “An Adaptive Steganography Insertion Technique Based on Cosine Transform”. Iraqi Journal for Electrical and Electronic Engineering 20, no. 2 (April 28, 2024): 45–58. Accessed December 17, 2025. https://ijeee.journalpath.com/ijeee/article/view/508.