# Indoor Visible-Light 3D Positioning System Based on GRU Neural Network

> Research article (Photonics, 2023) · cited 20× · AI/ML

**Wikidata**: [openalex:W4379057511](https://www.wikidata.org/wiki/openalex:W4379057511)  
**Source**: https://4ort.xyz/entity/indoor-visible-light-3d-positioning-system-based-on-gru-neural-network