# A Survey of PPG's Application in Authentication

> Research article (Computers & Security, 2023) · cited 15× · AI/ML

**Wikidata**: [openalex:W4386914429](https://www.wikidata.org/wiki/openalex:W4386914429)  
**Source**: https://4ort.xyz/entity/a-survey-of-ppg-s-application-in-authentication