An Early Fault Diagnosis Method of Rolling Bearings on the Basis of Adaptive Frequency Window and Sparse Coding Shrinkage.
Shuting WanBo PengPublished in: Entropy (2019)
Keyphrases
- sparse coding
- dictionary learning
- natural images
- sparse representation
- image classification
- linear combination
- unsupervised learning
- image representation
- single image super resolution
- generative model
- discriminative power
- person re identification
- denoising
- image denoising
- feature space
- sparse codes
- image patches
- visual words
- object category recognition
- face recognition
- prior knowledge
- high dimensional
- multiscale
- feature selection
- language model
- image features
- sparse coefficients