# Bathymetric Photogrammetry to Update CHS Charts: Comparing Conventional 3D Manual and Automatic Approaches

> Research article (ISPRS International Journal of Geo-Information, 2018) · cited 12× · AI/ML

**Wikidata**: [openalex:W2895335697](https://www.wikidata.org/wiki/openalex:W2895335697)  
**Source**: https://4ort.xyz/entity/bathymetric-photogrammetry-to-update-chs-charts-comparing-conventional-3d-manual-and-automatic-approaches