# A Framework for Image Denoising Using First and Second Order Fractional Overlapping Group Sparsity (HF-OLGS) Regularizer

> Research article (IEEE Access, 2019) · cited 19× · AI/ML

**Wikidata**: [openalex:W2916190813](https://www.wikidata.org/wiki/openalex:W2916190813)  
**Source**: https://4ort.xyz/entity/a-framework-for-image-denoising-using-first-and-second-order-fractional-overlapping-group-sparsity-hf-olgs-regularizer