# Almost constant-time 3D nearest-neighbor lookup using implicit octrees

> Research article (Machine Vision and Applications, 2017) · cited 11× · AI/ML

**Wikidata**: [openalex:W2773349014](https://www.wikidata.org/wiki/openalex:W2773349014)  
**Source**: https://4ort.xyz/entity/almost-constant-time-3d-nearest-neighbor-lookup-using-implicit-octrees