# Pixel frequency based railroad surface flaw detection using active infrared thermography for Structural Health Monitoring

> Research article (Case Studies in Thermal Engineering, 2021) · cited 30× · AI/ML

**Wikidata**: [openalex:W3182544351](https://www.wikidata.org/wiki/openalex:W3182544351)  
**Source**: https://4ort.xyz/entity/pixel-frequency-based-railroad-surface-flaw-detection-using-active-infrared-thermography-for-structural-health-monitorin