Improved stability conditions of BOGA for noisy block-sparse signals.
Lu WangGuoan BiChunru WanXiaolei LvPublished in: Signal Process. (2011)
Keyphrases
- coefficient matrix
- sparse pca
- high dimensional
- signal processing
- sufficient conditions
- improved algorithm
- low signal to noise ratio
- feature extraction
- multiscale
- signal reconstruction
- sparse matrix
- noisy environments
- noisy data
- radio frequency
- high dimension
- eeg signals
- neural network
- independent component analysis
- sparse representation
- image representation
- image sequences