Keyphrases
- random projections
- dimensionality reduction
- original data
- dimension reduction
- compressed sensing
- k means
- random sampling
- lossy image compression
- image reconstruction
- principal component analysis
- sparse representation
- clustering algorithm
- high dimensionality
- preprocessing
- hash functions
- data sets
- cluster analysis
- document clustering
- training data
- image processing
- data mining
- neural network