CONF Boulkenafet_IJCB-2017_2017/IDIAP A Competition on Generalized Software-based Face Presentation Attack Detection in Mobile Scenarios Boulkenafet, Z. Komulainen, J. Akhtar, Zahid Benlamoudi, A. Bekhouche, SE. Dornaika, F. Ouafi, A. Mohammadi, Amir Bhattacharjee, Sushil Marcel, Sébastien EXTERNAL http://publications.idiap.ch/attachments/papers/2018/Boulkenafet_IJCB-2017_2017.pdf PUBLIC Proceedings of the International Joint Conference on Biometrics, 2017 2017