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- Michael Elad, Irad Yavneh
- IEEE Transactions on Information Theory
- 2009

Cleaning of noise from signals is a classical and long-studied problem in signal processing. Algorithms for this task necessarily rely on an <i>a</i> <i>priori</i> knowledge about the signal… (More)

- Achi Brandt, Irad Yavneh
- SIAM J. Scientific Computing
- 1993

Techniques are developed for accelerating multigrid convergence in general, and for advection-diffusion and incompressible flow problems with small viscosity in particular. It is shown by analysis… (More)

- Shadi Saba, Irad Yavneh, Craig Gotsman, Alla Sheffer
- International Conference on Shape Modeling and…
- 2005

Gotsman et al. (SIGGRAPH 2003) presented the first method to generate a provably bijective parameterization of a closed genus-0 manifold mesh to the unit sphere. This involves the solution of a large… (More)

- Irad Yavneh
- 1993

Analytic formulae are obtained for the smoothing factors yielded by Gauss-Seidel relaxation in two-color ordering for a class of scalar elliptic operators. Block and point relaxation, in conjunction… (More)

- Irad Yavneh
- SIAM J. Scientific Computing
- 1998

- Michael M. Bronstein, Alexander M. Bronstein, Ron Kimmel, Irad Yavneh
- Numerical Lin. Alg. with Applic.
- 2006

Multidimensional scaling (MDS) is a generic name for a family of algorithms that construct a configuration of points in a target metric space from information about inter-point distances measured in… (More)

- Irad Yavneh
- SIAM J. Scientific Computing
- 1996

Optimal relaxation parameters are obtained for red-black Gauss-Seidel relaxation in multigrid solvers of a family of elliptic equations. The resulting relaxation schemes are found to retain very high… (More)

- Ron Kimmel, Irad Yavneh
- SIAM J. Scientific Computing
- 2003

We apply a new algebraic multigrid method for solving computer vision problems with constraints. As particular examples we solve the “shape from photometric stereo” and “image binarization” problems.… (More)

Under the influences of stable density stratification and Earth’s rotation, large-scale flows in the ocean and atmosphere have a mainly balanced dynamics— sometimes called the slow manifold—in the… (More)

- Javier Turek, Michael Elad, Irad Yavneh
- Int. J. Biomedical Imaging
- 2015

In ultrasound imaging, clutter artifacts degrade images and may cause inaccurate diagnosis. In this paper, we apply a method called Morphological Component Analysis (MCA) for sparse signal separation… (More)