Iterative solvers for Tikhonov regularization of dense inverse problems.
Constantin PopaPublished in: Int. J. Comput. Math. (2010)
Keyphrases
- inverse problems
- tikhonov regularization
- preconditioned conjugate gradient
- image restoration
- image reconstruction
- regularization parameter
- global optimization
- convex optimization
- reproducing kernel hilbert space
- vector valued
- optimization methods
- early vision
- optimization problems
- partial differential equations
- smoothness constraint
- parameter space
- kernel methods
- computationally expensive
- least squares
- special case
- maximum a posteriori
- cross validation