Gang Pan Lin Sun Zhaohui Wu Shihong Lao Eyeblink-based Anti-Spoofing in Face Recognition from a Generic Webcamera. 1-8 2007 ICCV http://dx.doi.org/10.1109/ICCV.2007.4409068 conf/iccv/2007 db/conf/iccv/iccv2007.html#PanSWL07