Malligai Selvi.S , Abirami.K (2017) “Discrete Wavelet Transform Based Optoelectronic Water Mark Technology”, International Journal of Emerging Trends in Science and Technology, 4(02), pp. 4964–4969. Available at: http://igmpublication.com/ijetst.in/index.php/ijetst/article/view/985 (Accessed: 31January2025).