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Stabilization of atmospheric turbulence-distorted video containing moving objects using the monogenic signal
Zhang, Chao1; Zhou, Fugen1; Xue, Bindang1; Xue, Wenfang2
2018-04-01
发表期刊SIGNAL PROCESSING-IMAGE COMMUNICATION
卷号63页码:19-29
文章类型Article
摘要The motion of moving objects in turbulence-distorted videos is affected by both the atmospheric turbulence fluctuations and the objects' own movements. Therefore, simultaneous video stabilization and preservation of the moving objects is a challenging task. Using the monogenic signal, we propose a fast two-stage approach to mitigate these erratic motions in videos and preserve the moving objects. In the first stage, each frame of a video is represented by the monogenic signal, which is used to model the turbulence-induced random brightness scintillation and local wiggles through local monogenic amplitude and phase. Then, a low-pass filter is employed to attenuate the high spatial frequency of local monogenic amplitude and phase variations to remove turbulence-induced distortions and obtain stable background frames. In the second stage, a two-step mask generating scheme is proposed to preserve the moving objects. Firstly, the coarse masks of the moving objects are obtained using the difference images between distorted frames and stable background frames. The coarse masks are then refined through analyzing the difference images of the local monogenic amplitude and phase between distorted frames and stable background frames. Finally, the stable video frames containing moving objects are reconstructed from the refined masks and the stable background frames. Experimental results show that the proposed approach is efficient and provides stabilized video and preservation of moving objects simultaneously in atmosphere turbulent conditions.
关键词Atmospheric Turbulence Video Stabilization Monogenic Signal
WOS标题词Science & Technology ; Technology
DOI10.1016/j.image.2018.01.006
收录类别SCI
语种英语
WOS研究方向Engineering
WOS类目Engineering, Electrical & Electronic
WOS记录号WOS:000429392500003
引用统计
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/21993
专题智能感知与计算研究中心
作者单位1.Beihang Univ, Image Proc Ctr, Beijing 100191, Peoples R China
2.Chinese Acad Sci, Inst Automat, Beijing 100190, Peoples R China
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Zhang, Chao,Zhou, Fugen,Xue, Bindang,et al. Stabilization of atmospheric turbulence-distorted video containing moving objects using the monogenic signal[J]. SIGNAL PROCESSING-IMAGE COMMUNICATION,2018,63:19-29.
APA Zhang, Chao,Zhou, Fugen,Xue, Bindang,&Xue, Wenfang.(2018).Stabilization of atmospheric turbulence-distorted video containing moving objects using the monogenic signal.SIGNAL PROCESSING-IMAGE COMMUNICATION,63,19-29.
MLA Zhang, Chao,et al."Stabilization of atmospheric turbulence-distorted video containing moving objects using the monogenic signal".SIGNAL PROCESSING-IMAGE COMMUNICATION 63(2018):19-29.
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