# Application of UAV Photogrammetry in Displacement Measurement of the Soil Nail Walls Using Local Features and CPDA Method

> Research article (ISPRS International Journal of Geo-Information, 2019) · cited 12× · AI/ML

**Wikidata**: [openalex:W2909749611](https://www.wikidata.org/wiki/openalex:W2909749611)  
**Source**: https://4ort.xyz/entity/application-of-uav-photogrammetry-in-displacement-measurement-of-the-soil-nail-walls-using-local-features-and-cpda-metho