Keyphrases
- sparse representation
- semi supervised learning
- semi supervised
- unlabeled data
- dictionary learning
- labeled data
- sparse coding
- image classification
- face recognition
- supervised learning
- image patches
- training data
- signal processing
- unsupervised learning
- image representation
- negative matrix factorization
- machine learning
- compressive sensing
- high dimensional data
- dimensionality reduction
- active learning
- random projections
- regularized least squares
- domain adaptation
- high dimensional