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Speckle-correlation-based non-line-of-sight imaging under white-light illumination
Zhou, Meiling1; Zhang, Yang1,2; Wang, Ping1,4; Li, Runze1; Peng, Tong1; Min, Junwei1; Yan, Shaohui1; Yao, Baoli1,2,3
Department瞬态光学研究室
2024-03
Source PublicationOptics and Laser Technology
ISSN00303992
Volume170
Contribution Rank1
Abstract

Non-line-of-sight (NLOS) imaging is attracting extensive attention due to its ability to establish the objects hidden from the direct line-of-sight, which prompts potential applications in autonomous driving, robotic vision, biomedical imaging, and other domains. Various NLOS imaging techniques have been successively demonstrated. In this paper, we propose a speckle-correlation-based method to achieve NLOS imaging under white-light illumination. In the proposed method, we process the raw speckle pattern by incorporating the conventional speckle correlation imaging (SCI) with the Zernike polynomial fitting, named ZPF-SCI method, to enhance the performance of the calculated autocorrelation, a key step to achieve optimal image quality. Experimental results demonstrate that our method is effective even in the presence of ambient light, which circumvents the limitation of the conventional SCI that has to be performed in a darkroom. Furthermore, the proposed ZPF-SCI method is insensitive to the angle that the detector deviates from the vertical plane of the optical axis. The quality of the reconstructed image is still acceptable even if the deviation angle reaches 8 degrees. These superiorities facilitate the practical application of the method. © 2023 Elsevier Ltd

KeywordNon-line-of-sight imaging Speckle correlation White-light illumination Zernike polynomial fitting
DOI10.1016/j.optlastec.2023.110231
Indexed ByEI
Language英语
PublisherElsevier Ltd
EI Accession Number20234515010837
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.opt.ac.cn/handle/181661/96880
Collection瞬态光学研究室
Corresponding AuthorYao, Baoli
Affiliation1.State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an; 710119, China;
2.University of Chinese Academy of Sciences, Beijing; 100049, China;
3.Qingdao Marine Science and Technology Center, Qingdao; 266200, China;
4.Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an; 710049, China
Recommended Citation
GB/T 7714
Zhou, Meiling,Zhang, Yang,Wang, Ping,et al. Speckle-correlation-based non-line-of-sight imaging under white-light illumination[J]. Optics and Laser Technology,2024,170.
APA Zhou, Meiling.,Zhang, Yang.,Wang, Ping.,Li, Runze.,Peng, Tong.,...&Yao, Baoli.(2024).Speckle-correlation-based non-line-of-sight imaging under white-light illumination.Optics and Laser Technology,170.
MLA Zhou, Meiling,et al."Speckle-correlation-based non-line-of-sight imaging under white-light illumination".Optics and Laser Technology 170(2024).
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