Algebraic multigrid preconditioning of the Hessian in PDE-constrained optimization.

Andrew T. Barker Andrei Draganescu

Published 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