# NDD: A 3D Point Cloud Descriptor Based on Normal Distribution for Loop Closure Detection

> Research article (2022 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), 2022) · cited 21× · AI/ML

**Wikidata**: [openalex:W4312773335](https://www.wikidata.org/wiki/openalex:W4312773335)  
**Source**: https://4ort.xyz/entity/ndd-a-3d-point-cloud-descriptor-based-on-normal-distribution-for-loop-closure-detection