# A Feature Extraction Method Based on Differential Entropy and Linear Discriminant Analysis for Emotion Recognition

> Research article (Sensors, 2019) · cited 101× · AI/ML

**Wikidata**: [openalex:W2932154953](https://www.wikidata.org/wiki/openalex:W2932154953)  
**Source**: https://4ort.xyz/entity/a-feature-extraction-method-based-on-differential-entropy-and-linear-discriminant-analysis-for-emotion-recognition