# A Survey of AI-Based Facial Emotion Recognition: Features, ML & DL Techniques, Age-Wise Datasets and Future Directions

> Research article (IEEE Access, 2021) · cited 102× · AI/ML

**Wikidata**: [openalex:W3217570271](https://www.wikidata.org/wiki/openalex:W3217570271)  
**Source**: https://4ort.xyz/entity/a-survey-of-ai-based-facial-emotion-recognition-features-ml-amp-dl-techniques-age-wise-datasets-and-future-directions