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Active Trace: A Sparse Spatiotemporal Representation for Videos
Han Z(韩志); Shen GP(沈贵萍); Yu SQ(余思泉); Ding ND(丁乃达); Tian JD(田建东); Tang YD(唐延东)
作者部门机器人学研究室
关键词Active Trace Video Modeling Sparse Representation Tracking Action Template
发表期刊IEEE Access
ISSN2169-3536
2017
卷号5页码:22433-22442
收录类别SCI ; EI
EI收录号20174404325460
WOS记录号WOS:000414737100001
产权排序1
资助机构National Natural Science Foundation of China under Grant 61773367 and Grant 61303168
摘要This paper proposes a sparse video representation with a deformable spatiotemporal template feature, named as active trace template. An active trace is the motion track of an active spatial feature which moves in a certain velocity. To accommodate geometric variations of the spatial feature and motion variations of the temporal track, the atomic spatial feature in each video frame is capable to slightly shift its location and other attributes within certain ranges to best represent the salient trackable structure. The representation quality is quantified by a spatiotemporal score. It is computed through a new proposed spatiotemporal hierarchical architecture of summax maps. Based on the score, a small number of best active trace templates are selected from all the trace candidates to depict the video sketch. The experiments demonstrate that for natural videos, the proposed model is able to provide an intuitive and sparse representation which matches human vision as well as reveals the spatiotemporal correspondence along consecutive frames, even in challenging situations such as occlusion. Furthermore, it shows the potential on dealing with high level vision tasks by moving object detection and segmentation, and action template learning and representation. OAPA
语种英语
WOS标题词Science & Technology ; Technology
WOS类目Computer Science, Information Systems ; Engineering, Electrical & Electronic ; Telecommunications
关键词[WOS]OBJECT TRACKING ; VISUAL TRACKING ; MODEL
WOS研究方向Computer Science ; Engineering ; Telecommunications
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sia.cn/handle/173321/21110
专题机器人学研究室
通讯作者Han Z(韩志)
作者单位State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, China
推荐引用方式
GB/T 7714
Han Z,Shen GP,Yu SQ,et al. Active Trace: A Sparse Spatiotemporal Representation for Videos[J]. IEEE Access,2017,5:22433-22442.
APA Han Z,Shen GP,Yu SQ,Ding ND,Tian JD,&Tang YD.(2017).Active Trace: A Sparse Spatiotemporal Representation for Videos.IEEE Access,5,22433-22442.
MLA Han Z,et al."Active Trace: A Sparse Spatiotemporal Representation for Videos".IEEE Access 5(2017):22433-22442.
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