# PPG-based Heart Rate Estimation with Time-Frequency Spectra

> Research article (Proceedings of the 2018 ACM International Joint Conference and 2018 International Symposium on Pervasive and Ubiquitous Computing and Wearable Computers, 2018) · cited 24× · AI/ML

**Wikidata**: [openalex:W2899029178](https://www.wikidata.org/wiki/openalex:W2899029178)  
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