# A feature extraction method based on composite multi-scale permutation entropy and Laplacian score for shearer cutting state recognition

> Research article (Measurement, 2019) · cited 36× · AI/ML

**Wikidata**: [openalex:W2947790723](https://www.wikidata.org/wiki/openalex:W2947790723)  
**Source**: https://4ort.xyz/entity/a-feature-extraction-method-based-on-composite-multi-scale-permutation-entropy-and-laplacian-score-for-shearer-cutting-s