Mr. K. Venu Gopal, Dr. G. Lavanya Devi. “A Novel Watermarking Approach for Multiple Layer Embedding the Half Toned QR Code into the Frames of a Video”. International Journal of Advanced Science and Technology 29, no. 05 (May 28, 2020): 9429-9434. Accessed May 1, 2026. http://sersc.org/journals/index.php/IJAST/article/view/19038.