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Underwater polarimetric imaging for visibility enhancement utilizing active unpolarized illumination
Yang, Liming1; Liang, Jian2; Zhang, Wenfei2,3; Ju, Haijuan2; Ren, Liyong2; Shao, Xiaopeng1
Department信息光子学研究室
2019-05-01
Source PublicationOPTICS COMMUNICATIONS
ISSN0030-4018;1873-0310
Volume438Pages:96-101
Contribution Rank2
Abstract

Underwater imaging is attractive but challenging. Images could be severely degraded by the particles in turbid water because of backscatter generation and signal light attenuation. In this paper, we focus on the scheme of underwater imaging and study the methods of visibility enhancement of turbid underwater images based on polarimetric imaging utilizing active unpolarized illumination. Compared with traditional polarimetric imaging using linearly polarized illumination, using unpolarized illumination ensures the polarization effect of the signal light could be neglected, no matter the depolarization degree of the object is high or low, which expands the application range of underwater polarimetric imaging and makes the underwater polarimetric imaging scheme more reliable and robust. Experimentally, the visibility and the contrast of underwater images are enhanced effectively. In addition, it is demonstrated that our method is applicable for objects of different materials and different imaging distances in turbid water. The contrast of underwater images could be promoted at least 100%, meaning that this kind of technique can be potentially used in many underwater environments.

KeywordImage enhancement Polarimetric imaging Imaging through turbid media
DOI10.1016/j.optcom.2018.12.022
Indexed BySCI
Language英语
WOS IDWOS:000458517100015
PublisherELSEVIER SCIENCE BV
Citation statistics
Document Type期刊论文
Identifierhttp://ir.opt.ac.cn/handle/181661/31161
Collection信息光子学研究室
Corresponding AuthorRen, Liyong
Affiliation1.Xidian Univ, Sch Phys & Optoelect Engn, Xian 710071, Shaanxi, Peoples R China
2.Chinese Acad Sci, Xian Inst Opt & Precis Mech, Res Dept Informat Photon, Xian 710119, Shaanxi, Peoples R China
3.Shandong Univ Technol, Sch Phys & Optoelect Engn, Zibo 255000, Shandong, Peoples R China
Recommended Citation
GB/T 7714
Yang, Liming,Liang, Jian,Zhang, Wenfei,et al. Underwater polarimetric imaging for visibility enhancement utilizing active unpolarized illumination[J]. OPTICS COMMUNICATIONS,2019,438:96-101.
APA Yang, Liming,Liang, Jian,Zhang, Wenfei,Ju, Haijuan,Ren, Liyong,&Shao, Xiaopeng.(2019).Underwater polarimetric imaging for visibility enhancement utilizing active unpolarized illumination.OPTICS COMMUNICATIONS,438,96-101.
MLA Yang, Liming,et al."Underwater polarimetric imaging for visibility enhancement utilizing active unpolarized illumination".OPTICS COMMUNICATIONS 438(2019):96-101.
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