# Happy Emotion Recognition From Unconstrained Videos Using 3D Hybrid Deep Features

> Research article (IEEE Access, 2021) · cited 28× · AI/ML

**Wikidata**: [openalex:W3132670207](https://www.wikidata.org/wiki/openalex:W3132670207)  
**Source**: https://4ort.xyz/entity/happy-emotion-recognition-from-unconstrained-videos-using-3d-hybrid-deep-features