# Hierarchical hyper-Laplacian prior for weak fault feature enhancement

> Research article (ISA Transactions, 2019) · cited 38× · AI/ML

**Wikidata**: [openalex:W2950875922](https://www.wikidata.org/wiki/openalex:W2950875922)  
**Source**: https://4ort.xyz/entity/hierarchical-hyper-laplacian-prior-for-weak-fault-feature-enhancement