Improved double TQWT sparse representation using the MQGA algorithm and new norm for aviation bearing compound fault detection.
Shuo ZhangZhiwen LiuSihai HeJinglin WangLufeng ChenPublished in: Eng. Appl. Artif. Intell. (2022)
Keyphrases
- sparse representation
- fault detection
- sparse reconstruction
- regularized least squares
- dictionary learning
- similarity measure
- test images
- sparse coding
- objective function
- random projections
- probabilistic model
- image representation
- high dimensional
- reconstruction error
- negative matrix factorization
- compressed sensing
- feature extraction
- industrial processes
- sparsity constraints
- neural network