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Improved stability conditions of BOGA for noisy block-sparse signals.
Lu Wang
Guoan Bi
Chunru Wan
Xiaolei Lv
Published in:
Signal Process. (2011)
Keyphrases
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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