Thian Song Ong Andrew Teoh Beng Jin David Ngo Chek Ling Y. W. Sek Fingerprint Images Segmentation Using Two Stages Coarse to Fine Discrimination Technique. 624-633 http://dx.doi.org/10.1007/978-3-540-24581-0_53 2003 conf/ausai/2003 Australian Conference on Artificial Intelligence db/conf/ausai/ausai2003.html#OngADS03