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» On convex relaxations of quadrilinear terms
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CCE
2006
13 years 6 months ago
Global optimization for the synthesis of integrated water systems in chemical processes
In this paper, we address the problem of optimal synthesis of an integrated water system, where water using processes and water treatment operations are combined into a single net...
Ramkumar Karuppiah, Ignacio E. Grossmann
CORR
2007
Springer
128views Education» more  CORR 2007»
13 years 6 months ago
Model Selection Through Sparse Maximum Likelihood Estimation
We consider the problem of estimating the parameters of a Gaussian or binary distribution in such a way that the resulting undirected graphical model is sparse. Our approach is to...
Onureena Banerjee, Laurent El Ghaoui, Alexandre d'...
TCOM
2010
92views more  TCOM 2010»
13 years 4 months ago
Detection of Gaussian constellations in MIMO systems under imperfect CSI
Abstract—This paper considers the problem of Gaussian symbols detection in MIMO systems in the presence of channel estimation errors. Under this framework we develop a computatio...
Ido Nevat, Gareth W. Peters, Jinhong Yuan
CORR
2011
Springer
151views Education» more  CORR 2011»
13 years 1 months ago
Sparsity Enhanced Decision Feedback Equalization
For single-carrier systems with frequency domain equalization, decision feedback equalization (DFE) performs better than linear equalization and has much lower computational compl...
Jovana Ilic, Thomas Strohmer
MM
2010
ACM
169views Multimedia» more  MM 2010»
13 years 6 months ago
CO3 for ultra-fast and accurate interactive segmentation
This paper presents an interactive image segmentation framework which is ultra-fast and accurate. Our framework, termed "CO3", consists of three components: COupled repr...
Yibiao Zhao, Song Chun Zhu, Siwei Luo