# Photoplethysmography based psychological stress detection with pulse rate variability feature differences and elastic net

> Research article (International Journal of Distributed Sensor Networks, 2018) · cited 35× · AI/ML

**Wikidata**: [openalex:W2893521107](https://www.wikidata.org/wiki/openalex:W2893521107)  
**Source**: https://4ort.xyz/entity/photoplethysmography-based-psychological-stress-detection-with-pulse-rate-variability-feature-differences-and-elastic-ne