Dictionary Learning via a Mixed Noise Model for Sparse Representation Classification of Rolling Bearings.
Jialing ZhangJimei WuBingbing HuPublished in: IEEE Access (2020)
Keyphrases
- dictionary learning
- sparse representation
- noise model
- sparse coding
- image classification
- sparse codes
- noisy images
- image patches
- group sparsity
- gaussian distribution
- compressive sensing
- noise level
- sparsity constraints
- face recognition
- high dimensional data
- image representation
- text classification
- feature space
- multiscale
- machine learning