Dense Fast Random Projections and Lean Walsh Transforms.
Edo LibertyNir AilonAmit SingerPublished in: APPROX-RANDOM (2008)
Keyphrases
- random projections
- dimensionality reduction
- compressive sensing
- dimension reduction
- compressed sensing
- random sampling
- sparse representation
- original data
- low dimensional
- image reconstruction
- high dimensionality
- principal component analysis
- hash functions
- high dimensional
- document clustering
- signal processing
- image classification
- face recognition
- nearest neighbor
- high quality
- feature extraction