author = {Javier Galbally and Sebastien Marcel and Julian Fierrez},
journal = {IEEE Access},
month = {December},
pages = {1530-1552},
title = {Biometric Anti-spoofing Methods: A Survey in Face Recognition},
volume = {2},
year = {2014},
doi = {http://dx.doi.org/10.1109/ACCESS.2014.2381273},