Knowledge Commons of Institute of Automation,CAS
An Improved Hierarchical Dirichlet Process-Hidden Markov Model and Its Application to Trajectory Modeling and Retrieval | |
Hu, Weiming1; Tian, Guodong1; Li, Xi1; Maybank, Stephen2 | |
发表期刊 | INTERNATIONAL JOURNAL OF COMPUTER VISION |
2013-12-01 | |
卷号 | 105期号:3页码:246-268 |
文章类型 | Article |
摘要 | In this paper, we propose a hierarchical Bayesian model, an improved hierarchical Dirichlet process-hidden Markov model (iHDP-HMM), for visual document analysis. The iHDP-HMM is capable of clustering visual documents and capturing the temporal correlations between the visual words within a visual document while identifying the number of document clusters and the number of visual topics adaptively. A Bayesian inference mechanism for the iHDP-HMM is developed to carry out likelihood evaluation, topic estimation, and cluster membership prediction. We apply the iHDP-HMM to simultaneously cluster motion trajectories and discover latent topics for trajectory words, based on the proposed method for constructing the trajectory word codebook. Then, an iHDP-HMM-based probabilistic trajectory retrieval framework is developed. The experimental results verify the clustering accuracy of the iHDP-HMM and trajectory retrieval accuracy of the proposed framework. |
关键词 | Hierarchical Dirichlet Process Hidden Markov Model Trajectory Analysis Video Retrieval |
WOS标题词 | Science & Technology ; Technology |
关键词[WOS] | CURVATURE SCALE-SPACE ; VIDEO RETRIEVAL ; TIME-SERIES ; CLASSIFICATION ; SURVEILLANCE ; RECOGNITION ; PATTERNS ; MIXTURE |
收录类别 | SCI |
语种 | 英语 |
WOS研究方向 | Computer Science |
WOS类目 | Computer Science, Artificial Intelligence |
WOS记录号 | WOS:000323659900004 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.ia.ac.cn/handle/173211/3278 |
专题 | 多模态人工智能系统全国重点实验室_视频内容安全 |
作者单位 | 1.Chinese Acad Sci, Inst Automat, Natl Lab Pattern Recognit, Beijing 100190, Peoples R China 2.Univ London Birkbeck Coll, Dept Comp Sci & Informat Syst, London WC1E 7HX, England |
第一作者单位 | 模式识别国家重点实验室 |
推荐引用方式 GB/T 7714 | Hu, Weiming,Tian, Guodong,Li, Xi,et al. An Improved Hierarchical Dirichlet Process-Hidden Markov Model and Its Application to Trajectory Modeling and Retrieval[J]. INTERNATIONAL JOURNAL OF COMPUTER VISION,2013,105(3):246-268. |
APA | Hu, Weiming,Tian, Guodong,Li, Xi,&Maybank, Stephen.(2013).An Improved Hierarchical Dirichlet Process-Hidden Markov Model and Its Application to Trajectory Modeling and Retrieval.INTERNATIONAL JOURNAL OF COMPUTER VISION,105(3),246-268. |
MLA | Hu, Weiming,et al."An Improved Hierarchical Dirichlet Process-Hidden Markov Model and Its Application to Trajectory Modeling and Retrieval".INTERNATIONAL JOURNAL OF COMPUTER VISION 105.3(2013):246-268. |
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