ALAM, Naveed; SARIM, Muhammad; SHAIKH, Abdul Basit. A Global Sampling Based Image Matting Using Non-Negative Matrix Factorization. Mehran University Research Journal of Engineering and Technology, [S.l.], v. 36, n. 4, p. 6, oct. 2017. ISSN 2413-7219. Available at: <https://publications.muet.edu.pk/index.php/muetrj/article/view/20>. Date accessed: 28 feb. 2020. doi: http://dx.doi.org/10.22581/muet1982.1704.01.