Joint sparsity and frequency estimation for spectral compressive sensing.
Jesper Kjær NielsenMads Græsbøll ChristensenSøren Holdt JensenPublished in: ICASSP (2014)
Keyphrases
- compressive sensing
- compressive sampling
- sparse representation
- sparse reconstruction
- random projections
- image recovery
- signal reconstruction
- dictionary learning
- compressed sensing
- signal processing
- image representation
- structured sparsity
- orthogonal matching pursuit
- high dimensional
- image classification
- low dimensional
- distributed source coding
- sparse coding
- neural network
- image reconstruction
- dimensionality reduction
- preprocessing
- multiscale