# Detection of valvular heart diseases combining orthogonal non-negative matrix factorization and convolutional neural networks in PCG signals

> Research article (Journal of Biomedical Informatics, 2023) · cited 14× · AI/ML

**Wikidata**: [openalex:W4385880831](https://www.wikidata.org/wiki/openalex:W4385880831)  
**Source**: https://4ort.xyz/entity/detection-of-valvular-heart-diseases-combining-orthogonal-non-negative-matrix-factorization-and-convolutional-neural-net