# Feature Selection on 2D and 3D Geometric Features to Improve Facial Expression Recognition

> Research article (Sensors, 2020) · cited 23× · AI/ML

**Wikidata**: [openalex:W3081106013](https://www.wikidata.org/wiki/openalex:W3081106013)  
**Source**: https://4ort.xyz/entity/feature-selection-on-2d-and-3d-geometric-features-to-improve-facial-expression-recognition