# Automatic Tunnel Crack Detection Based on U-Net and a Convolutional Neural Network with Alternately Updated Clique

> Research article (Sensors, 2020) · cited 105× · AI/ML

**Wikidata**: [openalex:W3004052770](https://www.wikidata.org/wiki/openalex:W3004052770)  
**Source**: https://4ort.xyz/entity/automatic-tunnel-crack-detection-based-on-u-net-and-a-convolutional-neural-network-with-alternately-updated-clique