# Lightdrum—Portable Light Stage for Accurate BTF Measurement on Site

> Research article (Sensors, 2017) · cited 12× · AI/ML

**Wikidata**: [openalex:W2590425221](https://www.wikidata.org/wiki/openalex:W2590425221)  
**Source**: https://4ort.xyz/entity/lightdrumportable-light-stage-for-accurate-btf-measurement-on-site