Fast OMP: Reformulating OMP via iteratively refining ℓ2-norm solutions.

Sung-Hsien Hsieh Chun-Shien Lu Soo-Chang Pei

Published in: SSP (2012)

Keyphrases

orthogonal matching pursuit
information systems
optimal solution
database
neural network
information retrieval
social networks
image restoration
benchmark problems
sparse approximation