Bart Kroon Sander M. P. Maas Sabri Boughorbel Alan Hanjalic Eye localization in low and standard definition content with application to face matching. 921-933 2009 113 Computer Vision and Image Understanding 8 http://dx.doi.org/10.1016/j.cviu.2009.03.013 db/journals/cviu/cviu113.html#KroonMBH09