# Extraction of Heart Rate Variability from Smartphone Photoplethysmograms

> Research article (Computational and Mathematical Methods in Medicine, 2015) · cited 153× · AI/ML

**Wikidata**: [openalex:W1968864692](https://www.wikidata.org/wiki/openalex:W1968864692)  
**Source**: https://4ort.xyz/entity/extraction-of-heart-rate-variability-from-smartphone-photoplethysmograms