Algebraic multigrid preconditioning of the Hessian in PDE-constrained optimization.
Andrew T. BarkerAndrei DraganescuPublished in: CoRR (2020)
Keyphrases
- constrained optimization
- iterative methods
- partial differential equations
- anisotropic diffusion
- inverse problems
- constrained optimization problems
- constraint handling
- image denoising
- objective function
- level set
- image processing
- penalty function
- unconstrained optimization
- numerical methods
- multiscale
- augmented lagrangian
- edge preserving
- penalty functions
- curve evolution
- boundary conditions
- computationally expensive
- evolutionary algorithm
- image analysis
- interval analysis
- neural network
- energy functional
- flow field
- primal dual
- lagrange multipliers
- inequality constraints
- edge detection
- emission tomography