# A Biometric Authentication Technique Using Smartphone Fingertip Photoplethysmography Signals

> Research article (IEEE Sensors Journal, 2022) · cited 15× · AI/ML

**Wikidata**: [openalex:W4285137351](https://www.wikidata.org/wiki/openalex:W4285137351)  
**Source**: https://4ort.xyz/entity/a-biometric-authentication-technique-using-smartphone-fingertip-photoplethysmography-signals