115 search results - page 4 / 23 » Expectation Maximization and Posterior Constraints |
INFOCOM
2012
IEEE
12 years 1 days ago
2012
IEEE
—Cognitive Radio Networks allow unlicensed users to opportunistically access the licensed spectrum without causing disruptive interference to the primary users (PUs). One of the ...
CVPR
2005
IEEE
14 years 11 months ago
2005
IEEE
Object detection is challenging partly due to the limited discriminative power of local feature descriptors. We amend this limitation by incorporating spatial constraints among ne...
INFOCOM
2008
IEEE
14 years 4 months ago
2008
IEEE
—Sleep-wake scheduling is an effective mechanism to prolong the lifetime of energy-constrained wireless sensor networks. However, it incurs an additional delay for packet deliver...
TON
2010
13 years 8 months ago
2010
—In this paper, we are interested in minimizing the delay and maximizing the lifetime of event-driven wireless sensor networks, for which events occur infrequently. In such syste...
UAI
2004
13 years 11 months ago
2004
We present new MCMC algorithms for computing the posterior distributions and expectations of the unknown variables in undirected graphical models with regular structure. For demon...