# Digital image analysis technique for measuring railway track defects and ballast gradation

> Research article (Measurement, 2017) · cited 54× · AI/ML

**Wikidata**: [openalex:W2753721846](https://www.wikidata.org/wiki/openalex:W2753721846)  
**Source**: https://4ort.xyz/entity/digital-image-analysis-technique-for-measuring-railway-track-defects-and-ballast-gradation