# A comprehensive survey on deep facial expression recognition: challenges, applications, and future guidelines

> Research article (Alexandria Engineering Journal, 2023) · cited 144× · AI/ML

**Wikidata**: [openalex:W4319878478](https://www.wikidata.org/wiki/openalex:W4319878478)  
**Source**: https://4ort.xyz/entity/a-comprehensive-survey-on-deep-facial-expression-recognition-challenges-applications-and-future-guidelines