REPORT Chingovska_Idiap-RR-12-2014/IDIAP Biometrics Evaluation under Spoofing Attacks Chingovska, Ivana Anjos, André Marcel, Sébastien EXTERNAL https://publications.idiap.ch/attachments/reports/2013/Chingovska_Idiap-RR-12-2014.pdf PUBLIC Idiap-RR-12-2014 2014 Idiap August 2014 IEEE Transactions of Information Forensics and Security: in minor revision