Bearing Fault Diagnosis Based on Clustering and Sparse Representation in Frequency Domain.
Yixiang LuZhenya WangDe ZhuQingwei GaoDong SunPublished in: IEEE Trans. Instrum. Meas. (2021)
Keyphrases
- frequency domain
- fault diagnosis
- sparse representation
- monitoring and fault diagnosis
- spatial domain
- dictionary learning
- fourier transform
- high dimensional data
- sparse coding
- fault detection
- expert systems
- neural network
- image classification
- fuzzy logic
- power spectrum
- face recognition
- signal processing
- clustering method
- k means
- feature extraction
- clustering algorithm
- low frequency
- image patches
- random projections
- subband
- data clustering
- filter bank
- negative matrix factorization
- fourier domain
- denoising
- dimensionality reduction
- cluster analysis
- image representation
- spectral clustering
- face images
- image processing