# X-ray Image Enhancement Based on Nonsubsampled Shearlet Transform and Gradient Domain Guided Filtering

> Research article (Sensors, 2022) · cited 15× · AI/ML

**Wikidata**: [openalex:W4281633381](https://www.wikidata.org/wiki/openalex:W4281633381)  
**Source**: https://4ort.xyz/entity/x-ray-image-enhancement-based-on-nonsubsampled-shearlet-transform-and-gradient-domain-guided-filtering