1. Information technology - biometric presentation attack detection - part 1: Framework. international organization for standardization. Technical report, ISO/IEC JTC 1/SC 37 Biometrics (2016)
2. Boulkenafet, Z., et al.: A competition on generalized software-based face presentation attack detection in mobile scenarios. In: IJCB, pp. 688–696. IEEE (2017)
3. Boulkenafet, Z., Komulainen, J., Hadid, A.: Face anti-spoofing based on color texture analysis. In: ICIP, pp. 2636–2640. IEEE (2015)
4. Boulkenafet, Z., Komulainen, J., Hadid, A.: Face spoofing detection using colour texture analysis. TIFS 11(8), 1818–1830 (2016)
5. Boulkenafet, Z., Komulainen, J., Li, L., Feng, X., Hadid, A.: OULU-NPU: a mobile face presentation attack database with real-world variations. In: FG, IEEE (2017)