# Data Augmentation and Second-Order Pooling for Facial Expression Recognition

> Research article (IEEE Access, 2019) · cited 17× · AI/ML

**Wikidata**: [openalex:W2949777931](https://www.wikidata.org/wiki/openalex:W2949777931)  
**Source**: https://4ort.xyz/entity/data-augmentation-and-second-order-pooling-for-facial-expression-recognition