24 search results - page 4 / 5 » A l1-Unified Variational Framework for Image Restoration |
103
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SIAMIS
2010
14 years 4 months ago
2010
We generalize the primal-dual hybrid gradient (PDHG) algorithm proposed by Zhu and Chan in [M. Zhu, and T. F. Chan, An Efficient Primal-Dual Hybrid Gradient Algorithm for Total Var...
ICIP
2005
IEEE
15 years 11 months ago
2005
IEEE
Restoring binary images is a problem which arises in various application fields. In our paper, this problem is considered in a variational framework: the sought-after solution min...
IJCV
2002
14 years 9 months ago
2002
We are interested in regularizing fields of orthonormal vector sets, using constraint-preserving anisotropic diffusion PDE's. Each point of such a field is defined by multiple...
86
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VLSM
2005
Springer
15 years 3 months ago
2005
Springer
Abstract. We propose a variational approach for deblurring and impulsive noise removal in multi-channel images. A robust data fidelity measure and edge preserving regularization a...
ICASSP
2008
IEEE
15 years 4 months ago
2008
IEEE
In this paper we address the image restoration problem in the variational framework. Classical approaches minimize the Lp norm of the residual and rely on parametric assumptions o...