# How Nonlinear-Type Time-Frequency Analysis Can Help in Sensing Instantaneous Heart Rate and Instantaneous Respiratory Rate from Photoplethysmography in a Reliable Way

> Research article (Frontiers in Physiology, 2017) · cited 41× · AI/ML

**Wikidata**: [openalex:W2963791745](https://www.wikidata.org/wiki/openalex:W2963791745)  
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