Hazim Barnouti, Nawaf, Zaid Saeb Sabri, and Khaldoun L. Hameed. “Digital Watermarking Based on DWT (Discrete Wavelet Transform) and DCT (Discrete Cosine Transform)”. International Journal of Engineering & Technology 7, no. 4 (February 15, 2019): 4825–4829. Accessed May 7, 2024. https://www.sciencepubco.com/index.php/ijet/article/view/25085.