Ndongo Hervé, Abena, Eloundou Ebassa Bertrand Ledoux, Abena Malobe Paul, and Noura Alexendre. “Hybrid Compression-Encryption-Watermarking Image Algorithm Based on the Quaternionic Wavelets Transform (QWT)”. International Journal of Engineering & Technology 10, no. 2 (December 1, 2021): 215–219. Accessed December 18, 2024. https://sciencepubco.com/index.php/ijet/article/view/31630.