# Going deeper in hidden sadness recognition using spontaneous micro expressions database

> Research article (Multimedia Tools and Applications, 2019) · cited 14× · AI/ML

**Wikidata**: [openalex:W2942718523](https://www.wikidata.org/wiki/openalex:W2942718523)  
**Source**: https://4ort.xyz/entity/going-deeper-in-hidden-sadness-recognition-using-spontaneous-micro-expressions-database