# Photoplethysmography-based HRV analysis and machine learning for real-time stress quantification in mental health applications

> Research article (APL Bioengineering, 2025) · cited 14× · AI/ML

**Wikidata**: [openalex:W4409165421](https://www.wikidata.org/wiki/openalex:W4409165421)  
**Source**: https://4ort.xyz/entity/photoplethysmography-based-hrv-analysis-and-machine-learning-for-real-time-stress-quantification-in-mental-health-applic