# Robotic Inspection and Subsurface Defect Mapping Using Impact-Echo and Ground Penetrating Radar

> Research article (IEEE Robotics and Automation Letters, 2023) · cited 17× · AI/ML

**Wikidata**: [openalex:W4382568346](https://www.wikidata.org/wiki/openalex:W4382568346)  
**Source**: https://4ort.xyz/entity/robotic-inspection-and-subsurface-defect-mapping-using-impact-echo-and-ground-penetrating-radar