# Feature Selection for Facial Emotion Recognition Using Cosine Similarity-Based Harmony Search Algorithm

> Research article (Applied Sciences, 2020) · cited 62× · AI/ML

**Wikidata**: [openalex:W3016990309](https://www.wikidata.org/wiki/openalex:W3016990309)  
**Source**: https://4ort.xyz/entity/feature-selection-for-facial-emotion-recognition-using-cosine-similarity-based-harmony-search-algorithm