Ivana Chingovska, J. Yang, Zhen Lei, Dong Yi, Stan Z. Li, O. Kahm, Christian Glaser, N. Darner, Arjan Kuijper, Alexander Nouak, Jukka Komulainen, Tiago F. Pereira, S. Gupta, Shubham Khandelwal, Shubham Bansal, Ayush Rai, Tarun Krishna, Dushyant Goyal, M.-A. Waris, H. Zhang, I. Ahmad, Serkan Kiranyaz, Moncef Gabbouj, Roberto Tronci, Maurizio Pili, Nicola Sirena, Fabio Roli, Javier Galbally, Julian Fiérrez, A. Pinto, Hélio Pedrini, W. S. Schwartz, Anderson Rocha, André Anjos, Sébastien Marcel. The 2nd competition on counter measures to 2D face spoofing attacks. In Julian Fiérrez, Ajay Kumar, Mayank Vatsa, Raymond N. J. Veldhuis, Javier Ortega-Garcia, editors, International Conference on Biometrics, ICB 2013, 4-7 June, 2013, Madrid, Spain. pages 1-6, IEEE, 2013. [doi]