3528 search results - page 644 / 706 » Wireless sensor networks and beyond |
TSP
2012
12 years 4 months ago
2012
—We consider distributed estimation of the inverse covariance matrix in Gaussian graphical models. These models factorize the multivariate distribution and allow for efficient d...
MOBIHOC
2006
ACM
14 years 8 months ago
2006
ACM
Localization is an important and extensively studied problem in ad-hoc wireless sensor networks. Given the connectivity graph of the sensor nodes, along with additional local info...
GLOBECOM
2008
IEEE
14 years 3 months ago
2008
IEEE
Nowadays, the source localization has been widely applied for wireless sensor networks. The Gaussian mixture model has been adopted for maximum-likelihood (ML) source localization ...
NTMS
2008
IEEE
14 years 3 months ago
2008
IEEE
—In wireless sensor networks (WSNs), the frequency of sensing and data gathering depends on application requirements and surrounding conditions. In this paper, we propose a data ...
ISMAR
2003
IEEE
14 years 2 months ago
2003
IEEE
An ID recognition system is described that uses optical beacons and a high-speed image sensor. The ID sensor captures a scene like an ordinary camera and recognizes the ID of a be...