# Research on 3D ground penetrating radar deep underground cavity identification algorithm in urban roads using multi-dimensional time-frequency features

> Research article (NDT & E International, 2024) · cited 21× · AI/ML

**Wikidata**: [openalex:W4391672415](https://www.wikidata.org/wiki/openalex:W4391672415)  
**Source**: https://4ort.xyz/entity/research-on-3d-ground-penetrating-radar-deep-underground-cavity-identification-algorithm-in-urban-roads-using-multi-dime