# Mechanical Fault Diagnosis Using Color Image Recognition of Vibration Spectrogram Based on Quaternion Invariable Moment

> Research article (Mathematical Problems in Engineering, 2015) · cited 19× · AI/ML

**Wikidata**: [openalex:W1678854553](https://www.wikidata.org/wiki/openalex:W1678854553)  
**Source**: https://4ort.xyz/entity/mechanical-fault-diagnosis-using-color-image-recognition-of-vibration-spectrogram-based-on-quaternion-invariable-moment