2199 search results - page 7 / 440 » Information retrieval using hierarchical dirichlet processes |
PAMI
2010
13 years 6 months ago
2010
—We consider the problem of inferring and modeling topics in a sequence of documents with known publication dates. The documents at a given time are each characterized by a topic...
JMLR
2010
13 years 3 months ago
2010
We develop a Bayesian framework for supervised dimension reduction using a flexible nonparametric Bayesian mixture modeling approach. Our method retrieves the dimension reduction ...
MM
2004
ACM
14 years 1 months ago
2004
ACM
We consider the problem of clustering Web image search results. Generally, the image search results returned by an image search engine contain multiple topics. Organizing the resu...
ICDE
2006
IEEE
14 years 2 months ago
2006
IEEE
The dream of pervasive multimedia retrieval and reuse will not be realized without incorporating semantics in the multimedia database. As video data is penetrating many informatio...
CVPR
2007
IEEE
14 years 10 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...