A Novel Weighted Sparse Representation Classification Strategy Based on Dictionary Learning for Rotating Machinery.
Huaqing WangBangyue RenLiuyang SongLingli CuiPublished in: IEEE Trans. Instrum. Meas. (2020)
Keyphrases
- dictionary learning
- sparse representation
- sparse coding
- image classification
- image super resolution
- face recognition
- group sparsity
- image patches
- random projections
- negative matrix factorization
- dimensionality reduction
- compressive sensing
- single image super resolution
- image representation
- high dimensional data
- sparsity constraints
- sparse codes
- rotating machinery
- compressed sensing
- pattern recognition
- prior knowledge
- test images
- unsupervised learning
- input image
- semi supervised
- knn
- high dimensional
- feature space