# Research on low illumination coal gangue image enhancement based on improved Retinex algorithm

> Research article (International Journal of Coal Preparation and Utilization, 2022) · cited 12× · AI/ML

**Wikidata**: [openalex:W4282841909](https://www.wikidata.org/wiki/openalex:W4282841909)  
**Source**: https://4ort.xyz/entity/research-on-low-illumination-coal-gangue-image-enhancement-based-on-improved-retinex-algorithm