# Human perception and biosignal-based identification of posed and spontaneous smiles

> Research article (PLoS ONE, 2019) · cited 30× · AI/ML

**Wikidata**: [openalex:W2996338639](https://www.wikidata.org/wiki/openalex:W2996338639)  
**Source**: https://4ort.xyz/entity/human-perception-and-biosignal-based-identification-of-posed-and-spontaneous-smiles