# Dynamic dictionary optimization for sparse-representation-based face classification using local difference images

> Research article (Information Sciences, 2017) · cited 37× · AI/ML

**Wikidata**: [openalex:W2586409500](https://www.wikidata.org/wiki/openalex:W2586409500)  
**Source**: https://4ort.xyz/entity/dynamic-dictionary-optimization-for-sparse-representation-based-face-classification-using-local-difference-images