KHAN, Muhammad Farhan; 						GHAZANFAR MONIR, Syed Muhammad; 						NASEEM, Imran.
 A Novel Zero-Watermarking Based Scheme for Copyright Protection of Grayscale Images.
<strong>Mehran University Research Journal of Engineering and Technology</strong>, [S.l.], v. 38, n. 3, p. 627-640, july 2019.
ISSN 2413-7219.
Available at: &lt;<a href="https://publications.muet.edu.pk/index.php/muetrj/article/view/1133" target="_new">https://publications.muet.edu.pk/index.php/muetrj/article/view/1133</a>&gt;. Date accessed: 24 dec. 2024.
doi: <a href="http://dx.doi.org/10.22581/muet1982.1903.09">http://dx.doi.org/10.22581/muet1982.1903.09</a>.