Avoiding Replay-Attacks in a Face Recognition Systenm using Head-Pose Estimation.

Robert Frischholz Alexander Werner Avoiding Replay-Attacks in a Face Recognition Systenm using Head-Pose Estimation. 234-235 2003 conf/amfg/2003 AMFG http://csdl.computer.org/comp/proceedings/amfg/2003/2010/00/20100234.pdf db/conf/amfg/amfg2003.html#FrischholzW03