140 search results - page 9 / 28 » siamsc 2008 |
SIAMSC
2010
13 years 8 months ago
2010
A surface reconstruction technique based on minimization of the total variation of the gradient is introduced. Convergence of the method is established, and an interior-point algor...
SIAMSC
2010
13 years 8 months ago
2010
In this paper, we study alternating direction methods for solving constrained total-variation image restoration and reconstruction problems. Alternating direction methods can be im...
SIAMSC
2010
13 years 8 months ago
2010
A greedy algorithm for the construction of a reduced model with reduction in both parameter and state is developed for efficient solution of statistical inverse problems governed b...
SIAMSC
2008
13 years 9 months ago
2008
Abstract. In this paper, we empirically investigate the NP-hard problem of finding sparsest solutions to linear equation systems, i.e., solutions with as few nonzeros as possible. ...
SIAMSC
2008
13 years 9 months ago
2008
In this paper, we develop an error estimator and an adaptive algorithm for efficient solution of parabolic partial differential equations. The error estimator assesses the discreti...