# Processing Photoplethysmograms Recorded by Smartwatches to Improve the Quality of Derived Pulse Rate Variability

> Research article (Sensors, 2022) · cited 16× · AI/ML

**Wikidata**: [openalex:W4296455979](https://www.wikidata.org/wiki/openalex:W4296455979)  
**Source**: https://4ort.xyz/entity/processing-photoplethysmograms-recorded-by-smartwatches-to-improve-the-quality-of-derived-pulse-rate-variability