Nonconvex and Nonsmooth Optimization with Generalized Orthogonality Constraints: An Approximate Augmented Lagrangian Method.
Hong ZhuXiaowei ZhangDelin ChuLi-Zhi LiaoPublished in: J. Sci. Comput. (2017)
Keyphrases
- augmented lagrangian method
- augmented lagrangian
- globally convergent
- constrained optimization
- convex optimization
- image restoration and reconstruction
- mathematical program
- lagrange multipliers
- global convergence
- constrained minimization
- mathematical programming
- optimization problems
- global optimization
- total variation
- convex functions
- linear programming problems
- optimization algorithm
- alternating direction
- constrained optimization problems
- objective function
- penalty function
- nonlinear programming
- linear constraints
- total variation regularization
- image restoration
- lp relaxation
- stationary points
- variational inequalities
- global optimum
- linear programming
- markov random field
- denoising