45 search results - page 1 / 9 » Unsupervised Activity Perception by Hierarchical Bayesian Mo... |
CVPR
2007
IEEE
14 years 6 months ago
2007
IEEE
We propose a novel unsupervised learning framework for activity perception. To understand activities in complicated scenes from visual data, we propose a hierarchical Bayesian mod...
CVPR
2011
IEEE
13 years 21 days ago
2011
IEEE
In this paper, we present an unsupervised method for mining activities in videos. From unlabeled video sequences of a scene, our method can automatically recover what are the recu...
FLAIRS
2008
13 years 6 months ago
2008
We present a Bayesian blackboard system for temporal perception, applied to a minidomain task in musical scene analysis. It is similar to the classic Copycat architecture (Hofstad...
CVPR
2008
IEEE
14 years 6 months ago
2008
IEEE
We propose a novel nonparametric Bayesian model, Dual Hierarchical Dirichlet Processes (Dual-HDP), for trajectory analysis and semantic region modeling in surveillance settings, i...
CVPR
2005
IEEE
14 years 6 months ago
2005
IEEE
We propose a novel approach to learn and recognize natural scene categories. Unlike previous work [9, 17], it does not require experts to annotate the training set. We represent t...