# Intelligent Recognition of Voids Behind Tunnel Linings Using Deep Learning and Percussion Sound

> Research article (Journal of Intelligent Construction, 2023) · cited 22× · AI/ML

**Wikidata**: [openalex:W4388908442](https://www.wikidata.org/wiki/openalex:W4388908442)  
**Source**: https://4ort.xyz/entity/intelligent-recognition-of-voids-behind-tunnel-linings-using-deep-learning-and-percussion-sound