# Hierarchical fusion of optical and dual-polarized SAR on impervious surface mapping at city scale

> Research article (ISPRS Journal of Photogrammetry and Remote Sensing, 2022) · cited 37× · AI/ML

**Wikidata**: [openalex:W4206678308](https://www.wikidata.org/wiki/openalex:W4206678308)  
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