Nonconvex nonsmooth optimization via convex-nonconvex majorization-minimization.
Alessandro LanzaSerena MorigiIvan W. SelesnickFiorella SgallariPublished in: Numerische Mathematik (2017)
Keyphrases
- image restoration and reconstruction
- convex functions
- alternating direction method of multipliers
- globally convergent
- convex optimization
- markov random field
- quasiconvex
- autocalibration
- convex programming
- objective function
- optimization problems
- norm minimization
- stationary points
- line search
- newton method
- variational inequalities
- global optimization
- total variation
- piecewise linear
- global convergence
- quadratic optimization problems
- mathematical programming
- global optimality
- convex relaxation
- convex sets
- interior point methods
- risk minimization
- efficient optimization
- primal dual
- regularization term
- low rank
- convex hull
- linear program
- image restoration