CASIA OpenIR  > 模式识别国家重点实验室  > 图像与视频分析
Weighted Part Context Learning for Visual Tracking
Zhu, Guibo; Wang, Jinqiao; Zhao, Chaoyang; Lu, Hanqing; Jinqiao Wang
Source PublicationIEEE TRANSACTIONS ON IMAGE PROCESSING
2015-12-01
Volume24Issue:12Pages:5140-5151
SubtypeArticle
AbstractContext information is widely used in computer vision for tracking arbitrary objects. Most of the existing studies focus on how to distinguish the object of interest from background or how to use keypoint-based supporters as their auxiliary information to assist them in tracking. However, in most cases, how to discover and represent both the intrinsic properties inside the object and the surrounding context is still an open problem. In this paper, we propose a unified context learning framework that can effectively capture spatiotemporal relations, prior knowledge, and motion consistency to enhance tracker's performance. The proposed weighted part context tracker (WPCT) consists of an appearance model, an internal relation model, and a context relation model. The appearance model represents the appearances of the object and the parts. The internal relation model utilizes the parts inside the object to directly describe the spatiotemporal structure property, while the context relation model takes advantage of the latent intersection between the object and background regions. Then, the three models are embedded in a max-margin structured learning framework. Furthermore, prior label distribution is added, which can effectively exploit the spatial prior knowledge for learning the classifier and inferring the object state in the tracking process. Meanwhile, we define online update functions to decide when to update WPCT, as well as how to reweight the parts. Extensive experiments and comparisons with the state of the arts demonstrate the effectiveness of the proposed method.
KeywordVisual Tracking Part Context Model Structure Leaning
WOS HeadingsScience & Technology ; Technology
DOI10.1109/TIP.2015.2479460
WOS KeywordOBJECT TRACKING ; PICTORIAL STRUCTURES ; MODEL ; RECOGNITION ; HISTOGRAMS
Indexed BySCI
Language英语
WOS Research AreaComputer Science ; Engineering
WOS SubjectComputer Science, Artificial Intelligence ; Engineering, Electrical & Electronic
WOS IDWOS:000362488900003
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ia.ac.cn/handle/173211/10027
Collection模式识别国家重点实验室_图像与视频分析
Corresponding AuthorJinqiao Wang
AffiliationChinese Acad Sci, Natl Lab Pattern Recognit, Inst Automat, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Zhu, Guibo,Wang, Jinqiao,Zhao, Chaoyang,et al. Weighted Part Context Learning for Visual Tracking[J]. IEEE TRANSACTIONS ON IMAGE PROCESSING,2015,24(12):5140-5151.
APA Zhu, Guibo,Wang, Jinqiao,Zhao, Chaoyang,Lu, Hanqing,&Jinqiao Wang.(2015).Weighted Part Context Learning for Visual Tracking.IEEE TRANSACTIONS ON IMAGE PROCESSING,24(12),5140-5151.
MLA Zhu, Guibo,et al."Weighted Part Context Learning for Visual Tracking".IEEE TRANSACTIONS ON IMAGE PROCESSING 24.12(2015):5140-5151.
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