Automatic blur-kernel-size estimation for motion deblurring
Liu, Shaoguo1; Wang, Haibo2; Wang, Jue3; Cho, Sunghyun3; Pan, Chunhong1
2015-05-01
发表期刊VISUAL COMPUTER
卷号31期号:5页码:733-746
文章类型Article
摘要Existing image deblurring approaches often take the blur-kernel-size as an important manual parameter. When set improperly, this parameter can lead to significant errors in the estimated blur kernels. However, manually specifying a proper kernel size for an input image is usually a tedious trial-and-error process. In this paper, we propose a new approach for automatically estimating the underlying blur-kernel-size value that can lead to good kernel estimation. Our approach takes advantage of the autocorrelation map (automap) of image gradients that is known to reflect the motion blur information. We show that the standard automap suffers from structural edges in the image and cannot be directly used for kernel size estimation. To alleviate this problem, we develop a modified automap method that contains a directional attenuation component, which can effectively reduce the influence of structural edges, leading to more accurate and reliable kernel size estimation. Experimental results suggest that the proposed approach can help state-of-the-art deblurring algorithms achieve accurate kernel estimation without relying on manual parameter tweaking.
关键词Image Deblurring Blur-kernel-size Motion Blur Prior Autocorrelation Directional Attenuation
WOS标题词Science & Technology ; Technology
关键词[WOS]BLIND DECONVOLUTION ; SINGLE IMAGE ; IDENTIFICATION ; RESTORATION ; ALGORITHMS ; TRANSFORM ; LINES
收录类别SCI
语种英语
WOS研究方向Computer Science
WOS类目Computer Science, Software Engineering
WOS记录号WOS:000353831400017
引用统计
被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/8118
专题模式识别国家重点实验室_先进数据分析与学习
作者单位1.Chinese Acad Sci, Inst Automat, NLPR, Beijing, Peoples R China
2.Shandong Univ, Sch Control Sci & Engn, Jinan 250100, Peoples R China
3.Adobe Res, Seattle, WA USA
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GB/T 7714
Liu, Shaoguo,Wang, Haibo,Wang, Jue,et al. Automatic blur-kernel-size estimation for motion deblurring[J]. VISUAL COMPUTER,2015,31(5):733-746.
APA Liu, Shaoguo,Wang, Haibo,Wang, Jue,Cho, Sunghyun,&Pan, Chunhong.(2015).Automatic blur-kernel-size estimation for motion deblurring.VISUAL COMPUTER,31(5),733-746.
MLA Liu, Shaoguo,et al."Automatic blur-kernel-size estimation for motion deblurring".VISUAL COMPUTER 31.5(2015):733-746.
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