21 search results - page 3 / 5 » Iterative Total Variation Regularization with Non-Quadratic ... |
TSP
2008
13 years 8 months ago
2008
Shannon's sampling theory and its variants provide effective solutions to the problem of reconstructing a signal from its samples in some "shift-invariant" space, wh...
ECCV
2008
Springer
14 years 10 months ago
2008
Springer
This article proposes a new framework to regularize linear inverse problems using the total variation on non-local graphs. This nonlocal graph allows to adapt the penalization to t...
MICCAI
2010
Springer
13 years 6 months ago
2010
Springer
In this paper, we propose an efficient algorithm for MR image reconstruction. The algorithm minimizes a linear combination of three terms corresponding to a least square data fitti...
CORR
2011
Springer
13 years 3 months ago
2011
Springer
We propose and analyze an extremely fast, efficient and simple method for solving the problem: min{ u 1 :Au=f,u∈Rn }. This method was first described in [1], with more details i...
IJCV
2011
12 years 12 months ago
2011
We examine the underlying structure of popular algorithms for variational methods used in image processing. We focus here on operator splittings and Bregman methods based on a uni...