Competition on counter measures to 2-D facial spoofing attacks. - Murali Mohan Chakka; André Anjos; Sébastien Marcel; Roberto Tronci; Daniele Muntoni; Gianluca Fadda; Maurizio Pili; Nicola Sirena; Gabriele Murgia; Marco Ristori; Fabio Roli; Junjie Yan; et al. (IJCB, 2011)

Motion-based counter-measures to photo attacks in face recognition. - André Anjos; Murali Mohan Chakka; Sébastien Marcel (IET Biom., 2014)