# Joint group dictionary-based structural sparse representation for image restoration

> Research article (Digital Signal Processing, 2023) · cited 15× · AI/ML

**Wikidata**: [openalex:W4362467143](https://www.wikidata.org/wiki/openalex:W4362467143)  
**Source**: https://4ort.xyz/entity/joint-group-dictionary-based-structural-sparse-representation-for-image-restoration