SY, Nguyen Chi; 						KHA, Ha Hoang; 						HOANG, Nguyen Minh.
 An Efficient Digital Watermarking Technique for Color Images Using Directional Transforms.
<strong>Journal of Science and Technology: Issue on Information and Communications Technology</strong>, [S.l.], v. 3, n. 2, p. 1-10, dec. 2017.
ISSN 1859-1531.
Available at: &lt;<a href="http://ict.jst.udn.vn/index.php/jst/article/view/57" target="_new">http://ict.jst.udn.vn/index.php/jst/article/view/57</a>&gt;. Date accessed: 27 apr. 2024.
doi: <a href="https://doi.org/10.31130/jst.2017.57">https://doi.org/10.31130/jst.2017.57</a>.