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Showing 2012Show all
3 papers · 1 filter
cs.AI2012★ 54 cited
The Revisiting Problem in Mobile Robot Map Building: A Hierarchical Bayesian Approach
Benjamin Stewart, Jonathan Ko, Dieter Fox +1
We present an application of hierarchical Bayesian estimation to robot map building. The revisiting problem occurs when a robot has to decide whether it is seeing a previously-buil…
cs.AI2012★ 23 cited
Automorphism Groups of Graphical Models and Lifted Variational Inference
Hung Hai Bui, Tuyen N. Huynh, Sebastian Riedel
Using the theory of group action, we first introduce the concept of the automorphism group of an exponential family or a graphical model, thus formalizing the general notion of sym…
cs.AI2012★ 13 cited
Gibbs Sampling in Open-Universe Stochastic Languages
Nimar S. Arora, Rodrigo de Salvo Braz, Erik B. Sudderth +1
Languages for open-universe probabilistic models (OUPMs) can represent situations with an unknown number of objects and iden- tity uncertainty. While such cases arise in a wide ran…