# Hierarchical semantic segmentation of urban scene point clouds via group proposal and graph attention network

> Research article (International Journal of Applied Earth Observation and Geoinformation, 2021) · cited 25× · AI/ML

**Wikidata**: [openalex:W3215666658](https://www.wikidata.org/wiki/openalex:W3215666658)  
**Source**: https://4ort.xyz/entity/hierarchical-semantic-segmentation-of-urban-scene-point-clouds-via-group-proposal-and-graph-attention-network