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» On Data Fusion and Lifetime Constraints in Wireless Sensor N...
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DMSN
2009
ACM
14 years 2 months ago
FSort: external sorting on flash-based sensor devices
In long-term deployments of Wireless Sensor Networks, it is often more efficient to store sensor readings locally at each device and transmit those readings to the user only when ...
Panayiotis Andreou, Orestis Spanos, Demetrios Zein...
EMMCVPR
2003
Springer
14 years 28 days ago
Asymptotic Characterization of Log-Likelihood Maximization Based Algorithms and Applications
The asymptotic distribution of estimates that are based on a sub-optimal search for the maximum of the log-likelihood function is considered. In particular, estimation schemes that...
Doron Blatt, Alfred O. Hero
AVSS
2009
IEEE
13 years 5 months ago
Multimodal Abandoned/Removed Object Detection for Low Power Video Surveillance Systems
Low-cost and low-power video surveillance systems based on networks of wireless video sensors will enter soon the marketplace with the promise of flexibility, quick deployment an...
Michele Magno, Federico Tombari, Davide Brunelli, ...
TSP
2012
12 years 3 months ago
Distributed Covariance Estimation in Gaussian Graphical Models
—We consider distributed estimation of the inverse covariance matrix in Gaussian graphical models. These models factorize the multivariate distribution and allow for efficient d...
Ami Wiesel, Alfred O. Hero
ICC
2007
IEEE
120views Communications» more  ICC 2007»
14 years 2 months ago
An Event-Detection Estimation Model for Hybrid Adaptive Routing in WSNs
— A fundamental goal of a wireless sensor network (WSN) is to collect and deliver data to external applications. Due to the strong constraints of these networks, routing algorith...
Carlos Mauricio S. Figueiredo, Eduardo Freire Naka...