# 3D reconstruction and automatic leakage defect quantification of metro tunnel based on SfM-Deep learning method

> Research article (Underground Space, 2021) · cited 86× · AI/ML

**Wikidata**: [openalex:W3202403625](https://www.wikidata.org/wiki/openalex:W3202403625)  
**Source**: https://4ort.xyz/entity/3d-reconstruction-and-automatic-leakage-defect-quantification-of-metro-tunnel-based-on-sfm-deep-learning-method