Dense Fast Random Projections and Lean Walsh Transforms.
Edo LibertyNir AilonAmit SingerPublished in: Discret. Comput. Geom. (2011)
Keyphrases
- random projections
- compressive sensing
- dimensionality reduction
- compressed sensing
- dimension reduction
- original data
- random sampling
- image reconstruction
- sparse representation
- hash functions
- low dimensional
- high dimensionality
- document clustering
- feature space
- feature extraction
- principal component analysis
- information retrieval
- least squares
- high dimensional
- image processing