# A comparison of emotion recognition system using electrocardiogram (ECG) and photoplethysmogram (PPG)

> Research article (Journal of King Saud University - Computer and Information Sciences, 2022) · cited 45× · AI/ML

**Wikidata**: [openalex:W4224282879](https://www.wikidata.org/wiki/openalex:W4224282879)  
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