Browsing Computer Science and Artificial Intelligence Lab (CSAIL) by Subject "hierarchical Dirichlet processes, activity analysis, clustering, visual surveillance"
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Trajectory Analysis and Semantic Region Modeling Using A Nonparametric Bayesian Model
(2008-06-24)We propose a novel nonparametric Bayesian model, Dual Hierarchical Dirichlet Processes (Dual-HDP), for trajectory analysis and semantic region modeling in surveillance settings, in an unsupervised way. In our approach, ...