# OpenGF: An Ultra-Large-Scale Ground Filtering Dataset Built Upon Open ALS Point Clouds Around the World

> Research article (2021 IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW), 2021) · cited 30× · AI/ML

**Wikidata**: [openalex:W3177004413](https://www.wikidata.org/wiki/openalex:W3177004413)  
**Source**: https://4ort.xyz/entity/opengf-an-ultra-large-scale-ground-filtering-dataset-built-upon-open-als-point-clouds-around-the-world