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Study of visibility enhancement of hazy images based on dark channel prior in polarimetric imaging
Zhang, Wenfei1,2,3; Liang, Jian1,3; Ju, Haijuan1,3; Ren, Liyong1; Qu, Enshi1; Wu, Zhaoxin2; Ren, Liyong (renliy@opt.ac.cn)
作者部门信息光子学研究室
2017
发表期刊OPTIK
ISSN0030-4026
卷号130页码:123-130
产权排序1
摘要

During past decades, lots of efforts on image dehazing have been made based on either computer vision or physical models. In this paper, based on the combination of the polarimetric imaging and the dark channel prior techniques, we propose a novel haze-removal method. On the one hand, the former technique ensures this method has the advantage of keeping the detailed information which might be almost vanished in hazy images; on the other hand, the latter technique provides a much easier way to precisely estimate the key parameters, such as the global atmospheric light and the degree of polarization of the airlight. Moreover, in order to realize the automatically dehazing process with our method, a dynamic bias factor is creatively introduced into the dehazing process by use of the evaluation function Entropy, ensuring excellent dehazed image being automatically obtained while not involving any other human-computer interaction. Experimental results indicate that our dehazing method can not only enhance the visibility of the hazy images effectively, but also preserve the details considerably. In addition, it is also found that this method is useful and effective for thin, medium and dense haze conditions, and thus shows a good robustness and universality. (C) 2016 Elsevier GmbH. All rights reserved.

文章类型Article
关键词Image Enhancement Polarimetric Imaging Scattering Visibility And Imaging
学科领域Vision
WOS标题词Science & Technology ; Physical Sciences
DOI10.1016/j.ijleo.2016.11.047
收录类别SCI ; EI
关键词[WOS]POLARIZATION
语种英语
WOS研究方向Optics
项目资助者National Natural Science Foundation of China(61505246 ; 61275149 ; 61535015)
WOS类目Optics
WOS记录号WOS:000391777400017
引用统计
被引频次:15[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.opt.ac.cn/handle/181661/28518
专题信息光子学研究室
通讯作者Ren, Liyong (renliy@opt.ac.cn)
作者单位1.Chinese Acad Sci, Res Dept Informat Photon, Xian Inst Opt & Precis Mech, Xian 710119, Peoples R China
2.Xi An Jiao Tong Univ, Sch Elect & Informat Engn, Dept Elect Sci & Technol, Xian 710049, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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Zhang, Wenfei,Liang, Jian,Ju, Haijuan,et al. Study of visibility enhancement of hazy images based on dark channel prior in polarimetric imaging[J]. OPTIK,2017,130:123-130.
APA Zhang, Wenfei.,Liang, Jian.,Ju, Haijuan.,Ren, Liyong.,Qu, Enshi.,...&Ren, Liyong .(2017).Study of visibility enhancement of hazy images based on dark channel prior in polarimetric imaging.OPTIK,130,123-130.
MLA Zhang, Wenfei,et al."Study of visibility enhancement of hazy images based on dark channel prior in polarimetric imaging".OPTIK 130(2017):123-130.
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