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ICIP
2003
IEEE
14 years 11 months ago
An adaptive multigrid algorithm for region of interest diffuse optical tomography
Dueto diffuse nature of lightphotons, Diffuse Optical Tomography (DOT) image reconstruction is a challenging 3D problem with a relatively large number of unknowns and limited meas...
Murat Guven, Birsen Yazici, Xavier Intes, Britton ...
ICML
2003
IEEE
14 years 10 months ago
The Cross Entropy Method for Fast Policy Search
We present a learning framework for Markovian decision processes that is based on optimization in the policy space. Instead of using relatively slow gradient-based optimization al...
Shie Mannor, Reuven Y. Rubinstein, Yohai Gat
ICDCS
2003
IEEE
14 years 3 months ago
Group Membership and Wide-Area Master-Worker Computations
Group communications systems have been designed to provide an infrastructure for fault-tolerance in distributed systems, including wide-area systems. In our work on master-worker ...
Kjetil Jacobsen, Xianan Zhang, Keith Marzullo
IPPS
2003
IEEE
14 years 3 months ago
Optimizing Performance and Reliability in Distributed Computing Systems through Wide Spectrum Storage
In this paper, we provide an overview of Logistical Runtime System (LoRS). LoRS is an integrated ensemble of tools and services that aggregate primitive (best effort, faulty) stor...
James S. Plank, Micah Beck, Jack Dongarra, Richard...
IPPS
2003
IEEE
14 years 3 months ago
A Genetic Approach to Planning in Heterogeneous Computing Environments
Planning is an artificial intelligence problem with a wide range of real-world applications. Genetic algorithms, neural networks, and simulated annealing are heuristic search met...
Han Yu, Dan C. Marinescu, Annie S. Wu, Howard Jay ...