Sparse decompositions in "incoherent" dictionaries.
Rémi GribonvalMorten NielsenPublished in: ICIP (1) (2003)
Keyphrases
- sparse representation
- sparse coding
- dictionary learning
- high dimensional
- compressed sensing
- sparse approximations
- compressive sensing
- image classification
- elastic net
- feature space
- sparse data
- dimensionality reduction
- feature extraction
- face recognition
- random projections
- light field
- decision trees
- canonical correlation analysis
- information systems
- signal recovery
- database