# A Hybrid Spatial Indexing Structure of Massive Point Cloud Based on Octree and 3D R*-Tree

> Research article (Applied Sciences, 2021) · cited 11× · AI/ML

**Wikidata**: [openalex:W3205821132](https://www.wikidata.org/wiki/openalex:W3205821132)  
**Source**: https://4ort.xyz/entity/a-hybrid-spatial-indexing-structure-of-massive-point-cloud-based-on-octree-and-3d-r-tree