Thanki R, Dwivedi VV, Borisagar K. Robust Watermarking Technique Using Different Wavelet Decomposition Levels for Signature Image Protection. JICT [Internet]. 2017 May 31 [cited 2026 Sep. 26];16(1):157-74. Available from: https://e-journal.uum.edu.my/index.php/jict/article/view/8227