# A fast LED calibration method under near field lighting based on photometric stereo

> Research article (Optics and Lasers in Engineering, 2021) · cited 12× · AI/ML

**Wikidata**: [openalex:W3185488590](https://www.wikidata.org/wiki/openalex:W3185488590)  
**Source**: https://4ort.xyz/entity/a-fast-led-calibration-method-under-near-field-lighting-based-on-photometric-stereo