# Crack detection in magnetic tile images using nonsubsampled shearlet transform and envelope gray level gradient

> Research article (Optics & Laser Technology, 2016) · cited 28× · AI/ML

**Wikidata**: [openalex:W2556450803](https://www.wikidata.org/wiki/openalex:W2556450803)  
**Source**: https://4ort.xyz/entity/crack-detection-in-magnetic-tile-images-using-nonsubsampled-shearlet-transform-and-envelope-gray-level-gradient