Construction of Sparse Representations of Perfect Polyphase Sequences in Zak Space with Applications to Radar and Communications.
Andrzej K. BrodzikPublished in: EURASIP J. Adv. Signal Process. (2011)
Keyphrases
- sparse representation
- dictionary learning
- signal processing
- sparse coding
- image classification
- compressive sensing
- regularized least squares
- low dimensional
- image patches
- negative matrix factorization
- joint optimization
- filter bank
- sparse reconstruction
- dimensional data
- random projections
- dimensionality reduction
- hidden markov models
- compressed sensing
- face recognition