Learning discriminative context models for concurrent collective activity recognition
Zhao, Chaoyang; Wang, Jinqiao; Lu, Hanqing
发表期刊MULTIMEDIA TOOLS AND APPLICATIONS
2017-03-01
卷号76期号:5页码:7401-7420
文章类型Article
摘要Collective activity classification is the task to identify activities with multiple persons participation, which often involves the context information like person relationships and person interactions. Most existing approaches assume that all individuals in a single image share the same activity label. However, in many cases, multiple activities co-exist and serve as context cues for each other in real-world scenarios. Based on this observation, in this paper, a unified discriminative learning framework of multiple context models is proposed for concurrent collective activity recognition. Firstly, both the intra-class and inter-class behaviour interactions among persons in a scenario are considered. Besides, the scenario where activities happen also provides additional context information for recognizing specific collective activities. Finally, we jointly model the multiple context cues (intra-class, inter-class and global-context) with a max-margin leaning framework. A greedy forward search method is utilized to label the activities in the testing scenes. Experimental results demonstrate the superiority of our approach in activity recognition.
关键词Activity Classification Context Information Max-margin Learning
WOS标题词Science & Technology ; Technology
DOI10.1007/s11042-016-3393-3
关键词[WOS]SPACE
收录类别SCI
语种英语
项目资助者863 Program(2014AA015104) ; National Natural Science Foundation of China(61273034 ; 61332016)
WOS研究方向Computer Science ; Engineering
WOS类目Computer Science, Information Systems ; Computer Science, Software Engineering ; Computer Science, Theory & Methods ; Engineering, Electrical & Electronic
WOS记录号WOS:000397278400058
引用统计
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/14425
专题模式识别国家重点实验室_图像与视频分析
作者单位Chinese Acad Sci, Inst Automat, Natl Lab Pattern Recognit, Beijing, Peoples R China
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GB/T 7714
Zhao, Chaoyang,Wang, Jinqiao,Lu, Hanqing. Learning discriminative context models for concurrent collective activity recognition[J]. MULTIMEDIA TOOLS AND APPLICATIONS,2017,76(5):7401-7420.
APA Zhao, Chaoyang,Wang, Jinqiao,&Lu, Hanqing.(2017).Learning discriminative context models for concurrent collective activity recognition.MULTIMEDIA TOOLS AND APPLICATIONS,76(5),7401-7420.
MLA Zhao, Chaoyang,et al."Learning discriminative context models for concurrent collective activity recognition".MULTIMEDIA TOOLS AND APPLICATIONS 76.5(2017):7401-7420.
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