Low-rank Dictionary Learning for Unsupervised Feature Selection.
Mohsen Ghassemi ParsaHadi ZareMehdi GhateePublished in: CoRR (2021)
Keyphrases
- unsupervised feature selection
- low rank
- dictionary learning
- data matrix
- group sparsity
- sparse coding
- linear combination
- sparse representation
- high dimensional data
- matrix factorization
- missing data
- singular value decomposition
- convex optimization
- semi supervised
- dimensionality reduction
- feature selection
- high order
- data clustering
- negative matrix factorization
- data sets
- norm minimization
- least squares
- feature space
- decision trees
- small number
- input image
- unsupervised learning
- natural images
- active learning
- image classification
- machine learning