Sparse Approximation via Penalty Decomposition Methods.

Zhaosong Lu Yong Zhang

Published in: SIAM J. Optim. (2013)

Keyphrases

decomposition methods
sparse approximation
linear combination
decomposition method
noise model
sparse coding
gaussian process
database theory
convex relaxation
constraint satisfaction problems
objective function
hypertree decomposition
convex optimization
databases
ls svm
marginal likelihood
lower bound