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TIT
2008
141views more  TIT 2008»
13 years 6 months ago
Dimensionality Reduction for Distributed Estimation in the Infinite Dimensional Regime
Distributed estimation of an unknown signal is a common task in sensor networks. The scenario usually envisioned consists of several nodes, each making an observation correlated wi...
Olivier Roy, Martin Vetterli
IPPS
2006
IEEE
14 years 5 days ago
High-performance computing in remotely sensed hyperspectral imaging: the Pixel Purity Index algorithm as a case study
The incorporation of last-generation sensors to airborne and satellite platforms is currently producing a nearly continual stream of high-dimensional data, and this explosion in t...
Antonio Plaza, David Valencia, Javier Plaza
IPPS
2007
IEEE
14 years 13 days ago
Improving MPI Independent Write Performance Using A Two-Stage Write-Behind Buffering Method
Many large-scale production applications often have very long executions times and require periodic data checkpoints in order to save the state of the computation for program rest...
Wei-keng Liao, Avery Ching, Kenin Coloma, Alok N. ...
GEOS
2007
Springer
14 years 9 days ago
Modeling Spatio-temporal Network Computations: A Summary of Results
Spatio-temporal network is defined by a set of nodes, and a set of edges, where the properties of nodes and edges may vary over time. Such networks are encountered in a variety of...
Betsy George, Shashi Shekhar
MM
2006
ACM
197views Multimedia» more  MM 2006»
14 years 3 days ago
Virtual observers in a mobile surveillance system
Conventional wide-area video surveillance systems use a network of fixed cameras positioned close to locations of interest. We describe an alternative and flexible approach to w...
Stewart Greenhill, Svetha Venkatesh