Ouahi, Hassan, and Abdenbi Mazoul. “Adaptive Image Watermarking Based on K-NN Clustering”. American Scientific Research Journal for Engineering, Technology, and Sciences 76, no. 1 (February 20, 2021): 253–263. Accessed December 11, 2024. https://www.asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/6650.