# Automatic 4D Facial Expression Recognition Using DCT Features

> Research article (2015 IEEE Winter Conference on Applications of Computer Vision, 2015) · cited 32× · AI/ML

**Wikidata**: [openalex:W1992146740](https://www.wikidata.org/wiki/openalex:W1992146740)  
**Source**: https://4ort.xyz/entity/automatic-4d-facial-expression-recognition-using-dct-features