Sparse Signal Separation in Redundant Dictionaries
Céline AubelChristoph StuderGraeme PopeHelmut BölcskeiPublished in: CoRR (2012)
Keyphrases
- sparse representation
- compressive sensing
- signal recovery
- signal processing
- compressive sampling
- dictionary learning
- signal reconstruction
- compressed sensing
- high frequency
- sparse data
- sparse coding
- high dimensional
- sparse signal representation
- random projections
- image classification
- feature space
- neural network
- sparse approximations
- data sets
- signal detection
- highly redundant
- image patches
- image reconstruction
- negative matrix factorization
- frequency domain
- image retrieval
- radio frequency
- video sequences
- sparse codes
- computer vision