Majorities help minorities: Hierarchical structure guided transfer learning for few-shot fault recognition

Hao Chen, Ruonan Liu, Zongxia Xie, Qinghua Hu, Jianhua Dai, Junhai Zhai

Abstract: Highlights•A hierarchy guided transfer learning framework for few-shot fault recognition.•A hierarchical structure of classes can be learned by multi-granularity clustering.•Filtering out irrelevant categories can overcome the problem of negative transfer.•Fault feature information can be shared between similar fault categories.