A Fault Feature Extraction Method for Rolling Bearings Based on Refined Composite Multi-Scale Amplitude-Aware Permutation Entropy.
Youshuo SongWeiyu WangPublished in: IEEE Access (2021)
Keyphrases
- multiscale
- fault diagnosis
- fault detection
- monitoring and fault diagnosis
- condition monitoring
- scale space
- information theory
- edge detection
- mutual information
- information theoretic
- numerical solution
- multiple scales
- natural images
- coarse to fine
- image processing
- deep structure
- entropy measure
- refinement process
- face recognition
- information entropy
- neural network
- wavelet decomposition
- expert systems
- object recognition
- keypoints
- wavelet transform
- relative entropy
- wavelet domain
- image representation
- minimum error
- shannon entropy
- local binary pattern
- normal operation
- information content