Keyphrases
- random projections
- dimensionality reduction
- dimension reduction
- sparse representation
- compressed sensing
- lossy image compression
- original data
- random sampling
- principal component analysis
- image reconstruction
- hash functions
- neural network
- low dimensional
- random samples
- document clustering
- lower bound
- information retrieval
- high dimensional data
- high dimensionality
- unsupervised learning
- preprocessing
- pattern recognition