# A survey on facial emotion recognition techniques: A state-of-the-art literature review

> Research article (Information Sciences, 2021) · cited 329× · AI/ML

**Wikidata**: [openalex:W3203381531](https://www.wikidata.org/wiki/openalex:W3203381531)  
**Source**: https://4ort.xyz/entity/a-survey-on-facial-emotion-recognition-techniques-a-state-of-the-art-literature-review