Keyphrases
- random projections
- dimensionality reduction
- compressive sensing
- dimension reduction
- compressed sensing
- sparse representation
- original data
- image reconstruction
- principal component analysis
- random sampling
- low dimensional
- document clustering
- high dimensionality
- hash functions
- pattern recognition
- distributed source coding
- neural network
- linear discriminant analysis
- unsupervised learning
- feature space
- preprocessing
- feature extraction
- information retrieval