# Subspace learning for facial expression recognition: an overview and a new perspective

> Research article (APSIPA Transactions on Signal and Information Processing, 2021) · cited 11× · AI/ML

**Wikidata**: [openalex:W3119120717](https://www.wikidata.org/wiki/openalex:W3119120717)  
**Source**: https://4ort.xyz/entity/subspace-learning-for-facial-expression-recognition-an-overview-and-a-new-perspective