A polarization tensor approximation for the Hessian in iterative solvers for non-linear inverse problems.
F. M. WatsonMichael G. CrabbWilliam R. B. LionheartPublished in: CoRR (2021)
Keyphrases
- inverse problems
- image reconstruction
- global optimization
- convex optimization
- iterative methods
- optimization problems
- regularization methods
- early vision
- optimization methods
- higher order
- emission tomography
- partial differential equations
- high order
- computationally expensive
- multiresolution
- smoothness constraint
- parameter space