# A high-precision online monitoring system for surface settlement imaging of railway subgrade

> Research article (Measurement, 2020) · cited 21× · AI/ML

**Wikidata**: [openalex:W3011332996](https://www.wikidata.org/wiki/openalex:W3011332996)  
**Source**: https://4ort.xyz/entity/a-high-precision-online-monitoring-system-for-surface-settlement-imaging-of-railway-subgrade