# Weak fault feature extraction of rolling bearings based on globally optimized sparse coding and approximate SVD

> Research article (Mechanical Systems and Signal Processing, 2018) · cited 83× · AI/ML

**Wikidata**: [openalex:W2797657372](https://www.wikidata.org/wiki/openalex:W2797657372)  
**Source**: https://4ort.xyz/entity/weak-fault-feature-extraction-of-rolling-bearings-based-on-globally-optimized-sparse-coding-and-approximate-svd