Keyphrases
- random projections
- dimensionality reduction
- dimension reduction
- random sampling
- compressed sensing
- original data
- principal component analysis
- sparse representation
- image reconstruction
- lossy image compression
- document clustering
- low dimensional
- high dimensionality
- hash functions
- high dimensional
- text classification
- singular value decomposition
- data points
- active learning
- high quality
- similarity measure
- face recognition
- feature selection