Semi-supervised Sparse Representation with Graph Regularization for Image Classification.
Hongfeng LiPublished in: CoRR (2020)
Keyphrases
- sparse representation
- image classification
- semi supervised
- subspace learning
- dictionary learning
- sparse coding
- image representation
- norm minimization
- manifold learning
- regularized least squares
- bag of words
- compressed sensing
- feature extraction
- image patches
- image features
- compressive sensing
- joint optimization
- visual words
- random projections
- sparsity constraints
- negative matrix factorization
- sparse codes
- semi supervised learning
- image reconstruction
- generative model
- signal processing
- supervised learning
- image processing
- labeled data
- piecewise smooth
- active learning
- feature vectors
- face recognition
- high dimensional data
- metric learning
- data sets
- unsupervised learning
- multi view
- probabilistic model
- pairwise
- pattern recognition
- machine learning