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Reconstruction of noisy images via stochastic resonance in nematic liquid crystals
Feng, Xingpan1,3; Liu, Hongjun1,2; Huang, Nan1; Wang, Zhaolu1; Zhang, Yongbin1
Department瞬态光学技术国家重点实验室
2019-03-08
Source PublicationSCIENTIFIC REPORTS
ISSN2045-2322
Volume9
Contribution Rank1
Abstract

We employ nematic liquid crystals as the nonlinear medium to recover noisy images via stochastic resonance, in which nonlinear coupling allows signals to grow at the expense of noise. The process is theoretically analyzed and the cross-correlation is numerically calculated. It is found that the quality of output images is affected by the input noise intensity, the applied voltage and the correlation length of noise light. Noise-hidden images can be effectively recovered by optimizing these parameters. The results suggest that nematic liquid crystals can be used for reconstruction of noisy images via stochastic resonance based on modulation instability with molecule reorientation nonlinearity.

DOI10.1038/s41598-019-40676-6
Indexed BySCI
Language英语
WOS IDWOS:000460627700064
PublisherNATURE PUBLISHING GROUP
Citation statistics
Document Type期刊论文
Identifierhttp://ir.opt.ac.cn/handle/181661/31316
Collection瞬态光学技术国家重点实验室
Corresponding AuthorLiu, Hongjun
Affiliation1.Chinese Acad Sci, Xian Inst Opt & Precis Mech, State Key Lab Transient Opt & Photon, Xian 710119, Shaanxi, Peoples R China
2.Shanxi Univ, Collaborat Innovat Ctr Extreme Opt, Taiyuan 030006, Shanxi, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100084, Peoples R China
Recommended Citation
GB/T 7714
Feng, Xingpan,Liu, Hongjun,Huang, Nan,et al. Reconstruction of noisy images via stochastic resonance in nematic liquid crystals[J]. SCIENTIFIC REPORTS,2019,9.
APA Feng, Xingpan,Liu, Hongjun,Huang, Nan,Wang, Zhaolu,&Zhang, Yongbin.(2019).Reconstruction of noisy images via stochastic resonance in nematic liquid crystals.SCIENTIFIC REPORTS,9.
MLA Feng, Xingpan,et al."Reconstruction of noisy images via stochastic resonance in nematic liquid crystals".SCIENTIFIC REPORTS 9(2019).
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