# Accuracy of heart rate variability estimation by photoplethysmography using an smartphone: Processing optimization and fiducial point selection

> Research article (2015 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), 2015) · cited 15× · AI/ML

**Wikidata**: [openalex:W2294538572](https://www.wikidata.org/wiki/openalex:W2294538572)  
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