Keyphrases
- random projections
- multiscale
- compressed sensing
- compressive sensing
- dimension reduction
- dimensionality reduction
- original data
- sparse representation
- image reconstruction
- random sampling
- principal component analysis
- hash functions
- low dimensional
- high dimensionality
- image representation
- document clustering
- data sets
- model selection
- high dimensional
- preprocessing
- data analysis
- feature selection
- learning algorithm