# Urban Geospatial Information Acquisition Mobile Mapping System based on close-range photogrammetry and IGS site calibration

> Research article (Geo-spatial Information Science, 2021) · cited 13× · AI/ML

**Wikidata**: [openalex:W3194759248](https://www.wikidata.org/wiki/openalex:W3194759248)  
**Source**: https://4ort.xyz/entity/urban-geospatial-information-acquisition-mobile-mapping-system-based-on-close-range-photogrammetry-and-igs-site-calibrat