# Emotion Recognition: Photoplethysmography and Electrocardiography in Comparison

> Research article (Biosensors, 2022) · cited 28× · AI/ML

**Wikidata**: [openalex:W4303614414](https://www.wikidata.org/wiki/openalex:W4303614414)  
**Source**: https://4ort.xyz/entity/emotion-recognition-photoplethysmography-and-electrocardiography-in-comparison