# Retinex based low-light image enhancement using guided filtering and variational framework

> Research article (Optoelectronics Letters, 2018) · cited 17× · AI/ML

**Wikidata**: [openalex:W2792494805](https://www.wikidata.org/wiki/openalex:W2792494805)  
**Source**: https://4ort.xyz/entity/retinex-based-low-light-image-enhancement-using-guided-filtering-and-variational-framework