Sparse representations and sphere decoding for array signal processing.
Tarik YardibiJian LiPeter StoicaLouis N. CattafestaPublished in: Digit. Signal Process. (2012)
Keyphrases
- signal processing
- sparse representation
- dictionary learning
- sparse coding
- compressive sensing
- compressed sensing
- image patches
- image processing
- pattern recognition
- random projections
- fourier transform
- negative matrix factorization
- computer vision
- test images
- filter bank
- regularized least squares
- joint optimization
- manifold learning
- sparse reconstruction
- high dimensional
- multiscale
- data sets
- orthogonal matching pursuit