# Breathing Rate Estimation from Head-Worn Photoplethysmography Sensor Data Using Machine Learning

> Research article (Sensors, 2022) · cited 29× · AI/ML

**Wikidata**: [openalex:W4221082989](https://www.wikidata.org/wiki/openalex:W4221082989)  
**Source**: https://4ort.xyz/entity/breathing-rate-estimation-from-head-worn-photoplethysmography-sensor-data-using-machine-learning