Automatic group activity annotation for mobile videos
Zhao, Chaoyang1; Wang, Jinqiao1; Li, Jianqiang2; Lu, Hanqing1
2017-11-01
发表期刊MULTIMEDIA SYSTEMS
卷号23期号:6页码:667-677
文章类型Article
摘要Due to the rapid growth of modern mobile devices, users can capture a variety of videos at anytime and anywhere. The explosive growth of mobile videos brings about the difficulty and challenge on categorization and management. In this paper, we propose a novel approach to annotate group activities for mobile videos, which helps tag each person with an activity label, thus helping users efficiently manage the uploaded videos. To extract rich context information, we jointly model three co-existing cues including the activity duration time, individual action feature and the context information shared between person interactions. Then these appearances and context cues are modeled with a structure learning framework, which can be solved by inference with a greedy forward search. Moreover, we can infer group activity labels of all the persons together with their activity durations, especially for the situation with multiple group activities co-existing. Experimental results on mobile video dataset show that the proposed approach achieves outstanding results for group activity classification and annotation.
关键词Activity Annotation Group Activity Context Learning
WOS标题词Science & Technology ; Technology
DOI10.1007/s00530-016-0514-9
关键词[WOS]RECOGNITION ; CONTEXT ; MODELS
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
WOS类目Computer Science, Information Systems ; Computer Science, Theory & Methods
WOS记录号WOS:000415313700003
引用统计
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/20112
专题模式识别国家重点实验室_图像与视频分析
作者单位1.Chinese Acad Sci, Inst Automat, Natl Lab Pattern Recognit, Beijing, Peoples R China
2.Beijing Univ Technol, Sch Software Engn, Beijing, Peoples R China
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GB/T 7714
Zhao, Chaoyang,Wang, Jinqiao,Li, Jianqiang,et al. Automatic group activity annotation for mobile videos[J]. MULTIMEDIA SYSTEMS,2017,23(6):667-677.
APA Zhao, Chaoyang,Wang, Jinqiao,Li, Jianqiang,&Lu, Hanqing.(2017).Automatic group activity annotation for mobile videos.MULTIMEDIA SYSTEMS,23(6),667-677.
MLA Zhao, Chaoyang,et al."Automatic group activity annotation for mobile videos".MULTIMEDIA SYSTEMS 23.6(2017):667-677.
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