Successive Convex Approximation Algorithms for Sparse Signal Estimation With Nonconvex Regularizations.
Yang YangMarius PesaventoSymeon ChatzinotasBjörn E. OtterstenPublished in: IEEE J. Sel. Top. Signal Process. (2018)
Keyphrases
- approximation algorithms
- convex optimization
- signal reconstruction
- np hard
- compressive sensing
- special case
- worst case
- signal recovery
- primal dual
- vertex cover
- group lasso
- convex functions
- minimum cost
- facility location problem
- randomized algorithms
- set cover
- low rank matrices
- quadratic program
- convex hull
- minimization problems
- approximation schemes
- constant factor
- open shop
- quadratic optimization problems
- precedence constraints
- exact algorithms
- sparse representation
- network design problem
- optimization problems
- approximation ratio
- np hardness
- undirected graph
- combinatorial auctions
- low rank
- upper bound
- polynomial time approximation