# Unsupervised feature selection and NMF de-noising for robust Speech Emotion Recognition

> Research article (Applied Acoustics, 2020) · cited 38× · AI/ML

**Wikidata**: [openalex:W3087957214](https://www.wikidata.org/wiki/openalex:W3087957214)  
**Source**: https://4ort.xyz/entity/unsupervised-feature-selection-and-nmf-de-noising-for-robust-speech-emotion-recognition