Sparse signal separation in redundant dictionaries.
Céline AubelChristoph StuderGraeme PopeHelmut BölcskeiPublished in: ISIT (2012)
Keyphrases
- sparse representation
- compressive sensing
- signal recovery
- signal processing
- signal reconstruction
- dictionary learning
- compressive sampling
- frequency domain
- high frequency
- sparse coding
- random projections
- sparse signal representation
- sparse approximations
- image classification
- wavelet analysis
- low signal to noise ratio
- high dimensional
- non stationary
- heart rate
- sparse codes
- linear transform
- face recognition
- negative matrix factorization
- measured data
- signal detection
- highly redundant
- computer vision
- data sets