Thanki, Rohit, Ved Vyas Dwivedi, and Komal Borisagar. “ROBUST WATERMARKING TECHNIQUE USING DIFFERENT WAVELET DECOMPOSITION LEVELS FOR SIGNATURE IMAGE PROTECTION”. Journal of Information and Communication Technology 16, no. 1 (May 31, 2017): 157–174. Accessed April 27, 2024. https://e-journal.uum.edu.my/index.php/jict/article/view/8227.