Successive Convex Approximation Algorithms for Sparse Signal Estimation with Nonconvex Regularizations.
Yang YangMarius PesaventoSymeon ChatzinotasBjörn E. OtterstenPublished in: SAM (2018)
Keyphrases
- approximation algorithms
- convex optimization
- signal reconstruction
- special case
- np hard
- signal recovery
- quadratic program
- vertex cover
- compressive sensing
- primal dual
- worst case
- facility location problem
- convex functions
- set cover
- np hardness
- quadratic optimization problems
- exact algorithms
- minimum cost
- low rank matrices
- constant factor
- minimization problems
- network design problem
- randomized algorithms
- group lasso
- approximation schemes
- convex hull
- nonlinear programming
- approximation ratio
- open shop
- precedence constraints
- constant factor approximation
- optimization problems
- approximation guarantees
- partial order
- markov random field
- undirected graph
- convex relaxation
- optimal solution