# Gradient-domain volumetric photon density estimation

> Research article (ACM Transactions on Graphics, 2018) · cited 21× · AI/ML

**Wikidata**: [openalex:W2810461805](https://www.wikidata.org/wiki/openalex:W2810461805)  
**Source**: https://4ort.xyz/entity/gradient-domain-volumetric-photon-density-estimation