# PQR signal quality indexes: A method for real-time photoplethysmogram signal quality estimation based on noise interferences

> Research article (Biomedical Signal Processing and Control, 2018) · cited 27× · AI/ML

**Wikidata**: [openalex:W2888667907](https://www.wikidata.org/wiki/openalex:W2888667907)  
**Source**: https://4ort.xyz/entity/pqr-signal-quality-indexes-a-method-for-real-time-photoplethysmogram-signal-quality-estimation-based-on-noise-interferen