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148
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ICASSP
2009
IEEE
16 years 1 months ago
2009
IEEE
In this paper, we study the problem of non-orthogonal joint diagonalisation of a set of real symmetric matrices. A family of block Jacobitype methods are proposed to optimise two ...
187
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SCALESPACE
2009
Springer
16 years 1 months ago
2009
Springer
We propose a regularization method for solving ill-posed problems, under the assumption that the solutions are piecewise constant functions with unknown level sets and unknown leve...
176
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CISS
2008
IEEE
16 years 1 months ago
2008
IEEE
— We consider dual subgradient methods for solving (nonsmooth) convex constrained optimization problems. Our focus is on generating approximate primal solutions with performance ...
174
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ASIAMS
2007
IEEE
16 years 1 months ago
2007
IEEE
This paper introduces a modified version of the well known global optimization technique named line search method. The modifications refer to the way in which the direction and th...
181
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DSD
2005
IEEE
16 years 19 days ago
2005
IEEE
This paper proposes a validation approach, based on simulation, which addresses problems related to both state space explosion of formal methods and low coverage of informal metho...