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INFOCOM
2005
IEEE
15 years 5 months ago
A beacon-less location discovery scheme for wireless sensor networks
— In wireless sensor networks (WSNs), sensor location plays a critical role in many applications. Having a GPS receiver on every sensor node is costly. In the past, a number of l...
Lei Fang, Wenliang Du, Peng Ning
CORR
2008
Springer
164views Education» more  CORR 2008»
14 years 11 months ago
Joint Physical Layer Coding and Network Coding for Bi-Directional Relaying
Abstract-- We consider the problem of two transmitters wishing to exchange information through a relay in the middle. The channels between the transmitters and the relay are assume...
Makesh Pravin Wilson, Krishna R. Narayanan, Henry ...
CVPR
2008
IEEE
16 years 1 months ago
Learning Bayesian Networks with qualitative constraints
Graphical models such as Bayesian Networks (BNs) are being increasingly applied to various computer vision problems. One bottleneck in using BN is that learning the BN model param...
Yan Tong, Qiang Ji
VLDB
2007
ACM
122views Database» more  VLDB 2007»
15 years 12 months ago
MIST: Distributed Indexing and Querying in Sensor Networks using Statistical Models
The modeling of high level semantic events from low level sensor signals is important in order to understand distributed phenomena. For such content-modeling purposes, transformat...
Arnab Bhattacharya, Anand Meka, Ambuj K. Singh
NECO
2007
129views more  NECO 2007»
14 years 11 months ago
Variational Bayes Solution of Linear Neural Networks and Its Generalization Performance
It is well-known that, in unidentifiable models, the Bayes estimation provides much better generalization performance than the maximum likelihood (ML) estimation. However, its ac...
Shinichi Nakajima, Sumio Watanabe