# Dictionary learning and face recognition based on sample expansion

> Research article (Applied Intelligence, 2021) · cited 21× · AI/ML

**Wikidata**: [openalex:W3181189001](https://www.wikidata.org/wiki/openalex:W3181189001)  
**Source**: https://4ort.xyz/entity/dictionary-learning-and-face-recognition-based-on-sample-expansion