# Monophonic and Polyphonic Wheezing Classification Based on Constrained Low-Rank Non-Negative Matrix Factorization

> Research article (Sensors, 2021) · cited 13× · AI/ML

**Wikidata**: [openalex:W3133621246](https://www.wikidata.org/wiki/openalex:W3133621246)  
**Source**: https://4ort.xyz/entity/monophonic-and-polyphonic-wheezing-classification-based-on-constrained-low-rank-non-negative-matrix-factorization