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题名:
Video Primal Sketch: A Unified Middle-Level Representation for Video
作者: Han Z(韩志); Xu ZB(徐宗本); Zhu SC(朱松纯)
作者部门: 机器人学研究室
通讯作者: Han Z(韩志)
关键词: Middle-level vision ; Video representation ; Textured motion ; Dynamic texture synthesis ; Primal sketch
刊名: Journal of Mathematical Imaging and Vision
ISSN号: 0924-9907
出版日期: 2015
卷号: 53, 期号:2, 页码:151-170
收录类别: SCI ; EI
EI收录号: 20150600495438
WOS记录号: WOS:000358323600002
产权排序: 1
摘要: This paper presents a middle-level video representation named video primal sketch (VPS), which integrates two regimes of models: (i) sparse coding model using static or moving primitives to explicitly represent moving corners, lines, feature points, etc., (ii) FRAME /MRF model reproducing feature statistics extracted from input video to implicitly represent textured motion, such as water and fire. The feature statistics include histograms of spatio-temporal filters and velocity distributions. This paper makes three contributions to the literature: (i) Learning a dictionary of video primitives using parametric generative models; (ii) Proposing the spatio-temporal FRAME and motion-appearance FRAME models for modeling and synthesizing textured motion; and (iii) Developing a parsimonious hybrid model for generic video representation. Given an input video, VPS selects the proper models automatically for different motion patterns and is compatible with high-level action representations. In the experiments, we synthesize a number of textured motion; reconstruct real videos using the VPS; report a series of human perception experiments to verify the quality of reconstructed videos; demonstrate how the VPS changes over the scale transition in videos; and present the close connection between VPS and high-level action models. © 2015 Springer Science+Business Media New York
语种: 英语
WOS标题词: Science & Technology ; Technology ; Physical Sciences
类目[WOS]: Computer Science, Artificial Intelligence ; Computer Science, Software Engineering ; Mathematics, Applied
关键词[WOS]: DYNAMIC TEXTURES ; TRACKING ; MOTION ; MODELS ; FRAME
研究领域[WOS]: Computer Science ; Mathematics
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sia.cn/handle/173321/15749
Appears in Collections:机器人学研究室_期刊论文

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作者单位: 1.Institute for Information and System Sciences, Xi’an Jiaotong University, Xi’an, China
2.Department of Stat and CS, University of California, Los Angeles, United States
3.State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, China

Recommended Citation:
Han Z,Xu ZB,Zhu SC. Video Primal Sketch: A Unified Middle-Level Representation for Video[J]. Journal of Mathematical Imaging and Vision,2015,53(2):151-170.
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