# Spectral classification of sparse photon depth images

> Research article (Optics Express, 2018) · cited 20× · AI/ML

**Wikidata**: [openalex:W2788324256](https://www.wikidata.org/wiki/openalex:W2788324256)  
**Source**: https://4ort.xyz/entity/spectral-classification-of-sparse-photon-depth-images