# Novel Proximal Gradient Methods for Nonnegative Matrix Factorization with Sparsity Constraints

> Research article (SIAM Journal on Imaging Sciences, 2020) · cited 22× · AI/ML

**Wikidata**: [openalex:W3007620966](https://www.wikidata.org/wiki/openalex:W3007620966)  
**Source**: https://4ort.xyz/entity/novel-proximal-gradient-methods-for-nonnegative-matrix-factorization-with-sparsity-constraints