# CitySurfaces: City-scale semantic segmentation of sidewalk materials

> Research article (Sustainable Cities and Society, 2022) · cited 47× · AI/ML

**Wikidata**: [openalex:W4205906562](https://www.wikidata.org/wiki/openalex:W4205906562)  
**Source**: https://4ort.xyz/entity/citysurfaces-city-scale-semantic-segmentation-of-sidewalk-materials