Phase-optimized K-SVD for signal extraction from underdetermined multichannel sparse mixtures.
Antoine DeleforgeWalter KellermannPublished in: ICASSP (2015)
Keyphrases
- mixing matrix
- sparse representation
- blind source separation
- single channel
- source signals
- source separation
- signal reconstruction
- compressive sensing
- radar signal
- dictionary learning
- sparse coding
- multi channel
- signal processing
- independent component analysis
- random projections
- blind separation
- independent components
- signal recovery
- sparse codes
- negative matrix factorization
- image classification
- compressed sensing
- image reconstruction
- non stationary
- face recognition
- pattern recognition
- image patches
- denoising
- blind deconvolution
- frequency domain
- high dimensional data
- small image patches
- wiener filter
- joint optimization
- image compression
- dimensionality reduction
- high dimensional
- sparse coefficients