A fast algorithm for parabolic PDE-based inverse problems based on Laplace transforms and flexible Krylov solvers.
Tania BakhosArvind K. SaibabaPeter K. KitanidisPublished in: J. Comput. Phys. (2015)
Keyphrases
- inverse problems
- partial differential equations
- image reconstruction
- convex optimization
- global optimization
- anisotropic diffusion
- image denoising
- emission tomography
- optimization problems
- level set
- optimization methods
- image enhancement
- early vision
- high resolution
- image processing
- computer vision
- belief propagation
- noisy images
- smoothness constraint