Keyphrases
- random projections
- feature selection
- dimensionality reduction
- dimension reduction
- high dimensionality
- feature space
- support vector
- kernel learning
- low dimensional
- feature extraction
- original data
- text classification
- kernel function
- principal component analysis
- kernel methods
- lossy image compression
- random sampling
- image reconstruction
- text categorization
- support vector machine
- high dimensional
- unsupervised learning
- classification accuracy
- document clustering
- feature set
- sparse representation
- high dimensional data
- hash functions
- pattern recognition
- linear discriminant analysis
- query processing
- active learning
- multi task
- neural network
- data points
- training set
- object recognition
- metric learning
- image processing