# A two-step deep learning-based framework for metro tunnel lining defect recognition

> Research article (Tunnelling and Underground Space Technology, 2024) · cited 40× · AI/ML

**Wikidata**: [openalex:W4399213257](https://www.wikidata.org/wiki/openalex:W4399213257)  
**Source**: https://4ort.xyz/entity/a-two-step-deep-learning-based-framework-for-metro-tunnel-lining-defect-recognition