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SIAMCO
2010
147views more  SIAMCO 2010»
15 years 5 months ago
Anytime Reliable Transmission of Real-Valued Information through Digital Noisy Channels
Abstract. The problem of reliably transmitting a real-valued random vector through a digital noisy channel is relevant for the design of distributed estimation and control techniqu...
Giacomo Como, Fabio Fagnani, Sandro Zampieri
SIAMDM
2010
133views more  SIAMDM 2010»
15 years 5 months ago
Drop Cost and Wavelength Optimal Two-Period Grooming with Ratio 4
We study grooming for two-period optical networks, a variation of the traffic grooming problem for WDM ring networks introduced by Colbourn, Quattrocchi, and Syrotiuk. In the two-...
Jean-Claude Bermond, Charles J. Colbourn, Lucia Gi...
SIAMIS
2010
114views more  SIAMIS 2010»
15 years 5 months ago
Improved Total Variation-Type Regularization Using Higher Order Edge Detectors
We present a novel deconvolution approach to accurately restore piecewise smooth signals from blurred data. The first stage uses Higher Order Total Variation restorations to obtai...
Wolfgang Stefan, Rosemary A. Renaut, Anne Gelb
SIAMJO
2010
137views more  SIAMJO 2010»
15 years 5 months ago
Global Convergence of a New Hybrid Gauss--Newton Structured BFGS Method for Nonlinear Least Squares Problems
In this paper, we propose a hybrid Gauss-Newton structured BFGS method with a new update formula and a new switch criterion for the iterative matrix to solve nonlinear least square...
Weijun Zhou, Xiaojun Chen
SIAMSC
2010
198views more  SIAMSC 2010»
15 years 5 months ago
Analysis of Block Parareal Preconditioners for Parabolic Optimal Control Problems
In this paper, we describe block matrix algorithms for the iterative solution of large scale linear-quadratic optimal control problems arising from the optimal control of parabolic...
Tarek P. Mathew, Marcus Sarkis, Christian E. Schae...