Improved stability conditions of BOGA for noisy block-sparse signals.

Lu Wang Guoan Bi Chunru Wan Xiaolei Lv

Published 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