# A non-negative matrix factorization approach based on spectro-temporal clustering to extract heart sounds

> Research article (Applied Acoustics, 2017) · cited 41× · AI/ML

**Wikidata**: [openalex:W2606505363](https://www.wikidata.org/wiki/openalex:W2606505363)  
**Source**: https://4ort.xyz/entity/a-non-negative-matrix-factorization-approach-based-on-spectro-temporal-clustering-to-extract-heart-sounds