Seddeq. E. Ghrare ,Hajer. A. Emhemed , A. Adhim Mohamad Alamari. Digital Image Watermarking Technique Based on ROI Using DCT and DWT Hybrid Technique. JOPAS [Internet]. 2019 Dec. 11 [cited 2024 Nov. 21];18(4). Available from: https://sebhau.edu.ly/journal/jopas/article/view/528