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AAAI
2004
15 years 6 months ago
Solving Generalized Semi-Markov Decision Processes Using Continuous Phase-Type Distributions
We introduce the generalized semi-Markov decision process (GSMDP) as an extension of continuous-time MDPs and semi-Markov decision processes (SMDPs) for modeling stochastic decisi...
Håkan L. S. Younes, Reid G. Simmons
ICASSP
2011
IEEE
14 years 8 months ago
Log-spectral amplitude estimation with Generalized Gamma distributions for speech enhancement
This paper presents a family of log-spectral amplitude (LSA) estimators for speech enhancement. Generalized Gamma distributed (GGD) priors are assumed for speech short-time spectr...
Bengt J. Borgstrom, Abeer Alwan
ICASSP
2009
IEEE
15 years 11 months ago
Structured variational methods for distributed inference in wireless ad hoc and sensor networks
Abstract –In this paper, a variational message passing framework is proposed for Markov random fields, which is computationally more efficient and admits wider applicability comp...
Yanbing Zhang, Huaiyu Dai
CDC
2009
IEEE
15 years 9 months ago
Dynamic practical stabilization of sampled-data linear distributed parameter systems
Abstract— In this paper, dynamic practical stability properties of infinite-dimensional sampled-data systems are discussed. A family of finite-dimensional discrete-time control...
Ying Tan, Emmanuel Trélat, Yacine Chitour, ...
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ALGORITHMICA
1999
123views more  ALGORITHMICA 1999»
15 years 4 months ago
Distributed Matrix-Free Solution of Large Sparse Linear Systems over Finite Fields
We describe a coarse-grain parallel software system for the homogeneous solution of linear systems. Our solutions are symbolic, i.e., exact rather than numerical approximations. O...
Erich Kaltofen, A. Lobo