# An efficient multimodal 2D + 3D feature-based approach to automatic facial expression recognition

> Research article (Computer Vision and Image Understanding, 2015) · cited 99× · AI/ML

**Wikidata**: [openalex:W1040410175](https://www.wikidata.org/wiki/openalex:W1040410175)  
**Source**: https://4ort.xyz/entity/an-efficient-multimodal-2d-3d-feature-based-approach-to-automatic-facial-expression-recognition