Keyphrases
- random projections
- dimensionality reduction
- dimension reduction
- sparse representation
- random sampling
- compressed sensing
- original data
- image reconstruction
- principal component analysis
- lossy image compression
- hash functions
- information retrieval
- high dimensionality
- low dimensional
- document clustering
- random samples
- singular value decomposition
- high dimensional data
- training set
- feature space
- similarity measure
- feature extraction