# Practical Product Path Guiding Using Linearly Transformed Cosines

> Research article (Computer Graphics Forum, 2020) · cited 14× · AI/ML

**Wikidata**: [openalex:W3036883119](https://www.wikidata.org/wiki/openalex:W3036883119)  
**Source**: https://4ort.xyz/entity/practical-product-path-guiding-using-linearly-transformed-cosines