# Grey Wolf optimisation‐based feature selection and classification for facial emotion recognition

> Research article (IET Biometrics, 2018) · cited 158× · AI/ML

**Wikidata**: [openalex:W2791019495](https://www.wikidata.org/wiki/openalex:W2791019495)  
**Source**: https://4ort.xyz/entity/grey-wolf-optimisationbased-feature-selection-and-classification-for-facial-emotion-recognition