# CNN-based anti-spoofing two-tier multi-factor authentication system

> Research article (Pattern Recognition Letters, 2018) · cited 122× · AI/ML

**Wikidata**: [openalex:W2790757012](https://www.wikidata.org/wiki/openalex:W2790757012)  
**Source**: https://4ort.xyz/entity/cnn-based-anti-spoofing-two-tier-multi-factor-authentication-system