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0950-7051/$ see front matter 2010 Elsevier B.V. A doi:10.1016/j.knosys.2010.02.004 * Corresponding author. Address: Key… (More)
- IEEE Transactions on Image Processing
In this paper, a diffusion-based curvelet shrinkage is proposed for discontinuity-preserving denoising using a combination of a… (More)
- Discrete & Computational Geometry
- SIAM J. Discrete Math.
A tournament is an oriented complete graph. The feedback arc set problem for tournaments is the optimization problem of… (More)
Recently there has been a lot of interest in geometrically motivated approaches to data analysis in high dimensional spaces. We… (More)
We consider implicit-explicit (IMEX) Runge Kutta methods for hyperbolic systems of conservation laws with stiff relaxation terms… (More)
In the single-source unsplittable ow problem we are given a graph G; a source vertex s and a set of sinks t 1 ; : : :; t k with… (More)
The study of the approximability properties of NP-hard optimization problems has recently made great advances mainly due to the… (More)
The error backpropagation learning algorithm (BP) is generally considered biologically implausible because it does not use… (More)
For all known NP-complete problems the number of solutions in instances having solutions may vary over an exponentially large… (More)