* XII WORKSHOP DE VIS\~AO COMPUTACIONAL (Campo Grande, Brazil). In XII
Workshop de Vis\~ao Computacional (pp. 311-316) (2016) Access Paper or Ask Questions
* Pre-print of article that will appear in the IEEE Transactions on
Information Forenseics and Security (T.IFS), Special Issue on Biometric
Spoofing and Countermeasures, vol 10, n. 4, April 2015 Access Paper or Ask Questions