Multilevel adaptive sparse Leja approximations for Bayesian inverse problems.
Ionut-Gabriel FarcasJonas LatzElisabeth UllmannTobias NeckelHans-Joachim BungartzPublished in: CoRR (2019)
Keyphrases
- inverse problems
- image reconstruction
- global optimization
- convex optimization
- optimization methods
- optimization problems
- high dimensional
- bayesian networks
- sparse representation
- partial differential equations
- early vision
- regularization methods
- emission tomography
- image denoising
- motion estimation
- cost function
- smoothness constraint