Keyphrases
- subspace learning
- symbol recognition
- discriminative subspace
- feature selection
- dimensionality reduction
- semi supervised
- learning algorithm
- data representation
- manifold learning
- feature extraction
- low dimensional
- face recognition
- sparse coding
- unsupervised learning
- principal component analysis
- linear subspace
- document image analysis
- neural network
- sparse representation
- subspace learning algorithm
- support vector machine
- machine learning
- text classification
- co occurrence
- pairwise
- feature space
- training data
- canonical correlations
- image segmentation
- decision trees
- computer vision