# A Hierarchical Features-Based Model for Freight Train Defect Inspection

> Research article (IEEE Sensors Journal, 2019) · cited 25× · AI/ML

**Wikidata**: [openalex:W2990607811](https://www.wikidata.org/wiki/openalex:W2990607811)  
**Source**: https://4ort.xyz/entity/a-hierarchical-features-based-model-for-freight-train-defect-inspection