# User action and facial expression recognition for error detection system in an ambient assisted environment

> Research article (Expert Systems with Applications, 2018) · cited 56× · AI/ML

**Wikidata**: [openalex:W2808602006](https://www.wikidata.org/wiki/openalex:W2808602006)  
**Source**: https://4ort.xyz/entity/user-action-and-facial-expression-recognition-for-error-detection-system-in-an-ambient-assisted-environment