# Discriminative separable nonnegative matrix factorization by structured sparse regularization

> Research article (Signal Processing, 2015) · cited 10× · AI/ML

**Wikidata**: [openalex:W1868761197](https://www.wikidata.org/wiki/openalex:W1868761197)  
**Source**: https://4ort.xyz/entity/discriminative-separable-nonnegative-matrix-factorization-by-structured-sparse-regularization