# A Wearable Device for Fast and Subtle Spontaneous Smile Recognition

> Research article (IEEE Transactions on Affective Computing, 2017) · cited 50× · AI/ML

**Wikidata**: [openalex:W2759174025](https://www.wikidata.org/wiki/openalex:W2759174025)  
**Source**: https://4ort.xyz/entity/a-wearable-device-for-fast-and-subtle-spontaneous-smile-recognition