# Comparison Study of Noncontact Vital Signs Detection Using a Doppler Stepped-Frequency Continuous-Wave Radar and Camera-Based Imaging Photoplethysmography

> Research article (IEEE Transactions on Microwave Theory and Techniques, 2017) · cited 88× · AI/ML

**Wikidata**: [openalex:W2589080694](https://www.wikidata.org/wiki/openalex:W2589080694)  
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