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COMPUTING
2007
103views more  COMPUTING 2007»
13 years 8 months ago
An algebraic approach for H-matrix preconditioners
Hierarchical matrices (H-matrices) approximate matrices in a data-sparse way, and the approximate arithmetic for H-matrices is almost optimal. In this paper we present an algebrai...
S. Oliveira, F. Yang
SIAMJO
2008
92views more  SIAMJO 2008»
13 years 8 months ago
An Active-Set Newton Method for Mathematical Programs with Complementarity Constraints
For a mathematical program with complementarity constraints (MPCC), we propose an active-set Newton method, which has the property of local quadratic convergence under the MPCC lin...
Alexey F. Izmailov, Mikhail V. Solodov
VISUALIZATION
2000
IEEE
14 years 1 months ago
Anisotropic geometric diffusion in surface processing
A new multiscale method in surface processing is presented here which combines the image processing methodology based on nonlinear diffusion equations and the theory of geometric ...
Ulrich Clarenz, Udo Diewald, Martin Rumpf
CVPR
2011
IEEE
13 years 4 months ago
Shape from Specular Flow: Is One Flow Enough?
Specular flow is the motion field induced on the image plane by the movement of points reflected by a curved, mirror-like surface. This flow provides information about surface...
Yuriy Vasilyev, Todd Zickler, Steven Gortler, Ohad...
ASAP
2008
IEEE
199views Hardware» more  ASAP 2008»
13 years 10 months ago
An efficient method for evaluating polynomial and rational function approximations
In this paper we extend the domain of applicability of the E-method [7, 8], as a hardware-oriented method for evaluating elementary functions using polynomial and rational functio...
Nicolas Brisebarre, Sylvain Chevillard, Milos D. E...