# A Nonfiducial PPG-Based Subject Authentication Approach Using the Statistical Features of DWT-Based Filtered Signals

> Research article (Journal of Sensors, 2020) · cited 12× · AI/ML

**Wikidata**: [openalex:W3093002728](https://www.wikidata.org/wiki/openalex:W3093002728)  
**Source**: https://4ort.xyz/entity/a-nonfiducial-ppg-based-subject-authentication-approach-using-the-statistical-features-of-dwt-based-filtered-signals