Keyphrases
- random projections
- high dimensional
- dimensionality reduction
- low dimensional
- dimension reduction
- high dimensionality
- high dimensional data
- lower dimensional
- compressive sensing
- feature space
- original data
- compressed sensing
- data points
- similarity search
- sparse representation
- principal component analysis
- feature selection
- unsupervised learning
- random sampling
- hash functions
- image reconstruction
- linear discriminant analysis
- multi dimensional
- nearest neighbor
- distributed source coding
- least squares
- image data