Improved sparse recovery thresholds with two-step reweighted ℓ1 minimization.

M. Amin Khajehnejad Weiyu Xu Amir Salman Avestimehr Babak Hassibi

Published in: ISIT (2010)

Keyphrases

post processing
objective function
high dimensional
sparse data
neural network
information retrieval
image classification
sparse matrix