# Patch Attention Layer of Embedding Handcrafted Features in CNN for Facial Expression Recognition

> Research article (Sensors, 2021) · cited 30× · AI/ML

**Wikidata**: [openalex:W3121847537](https://www.wikidata.org/wiki/openalex:W3121847537)  
**Source**: https://4ort.xyz/entity/patch-attention-layer-of-embedding-handcrafted-features-in-cnn-for-facial-expression-recognition