# Gradient-Domain Photon Density Estimation

> Research article (Computer Graphics Forum, 2017) · cited 20× · AI/ML

**Wikidata**: [openalex:W2618044425](https://www.wikidata.org/wiki/openalex:W2618044425)  
**Source**: https://4ort.xyz/entity/gradient-domain-photon-density-estimation