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基于非球面镜倾斜菲涅耳衍射和扩展分数傅里叶变换域相位调制的双路径密码系统。

Dual paths cryptosystem based on tilt Fresnel diffraction using non-spherical mirror and phase modulation in expanded fractional Fourier transform domain.

作者信息

Chen Hang, Liu Zhengjun, Tanougast Camel, Liu Feifei, Blondel Walter

机构信息

School of Electrical Engineering and Automation, Jiangxi University of Science and Technology, Ganzhou, 341000, China.

Centre de Recherche en Automatique de Nancy (CRAN-CNRS, UMR 7039), University de Lorraine, Nancy, 54000, France.

出版信息

Sci Rep. 2019 Oct 21;9(1):15071. doi: 10.1038/s41598-019-50263-4.

DOI:10.1038/s41598-019-50263-4
PMID:31636282
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6803697/
Abstract

In this paper, a dual optics paths optical image cryptosystem based on tilt Fresnel diffraction and a phase modulation in extend fractional Fourier transform (eFrFT) domain is presented. The tilt Fresnel is designed by using a non-spherical mirror. A part of data from the original image is modulated by the mirror, while the other part is encoded by an expanded fractional Fourier transform. Besides, the random data of the dual channels is combined for forming the encrypted image. The structure parameters in designing the optical hardware system and the random phase can be regarded as decryption keys. Various potential attack experiments are implemented to check the validity of the proposed cryptographic system.

摘要

本文提出了一种基于倾斜菲涅耳衍射和扩展分数傅里叶变换（eFrFT）域中的相位调制的双光路光学图像加密系统。倾斜菲涅耳透镜由非球面镜设计而成。原始图像的一部分数据由该镜调制，而另一部分则通过扩展分数傅里叶变换进行编码。此外，双通道的随机数据被组合以形成加密图像。设计光学硬件系统时的结构参数和随机相位可被视为解密密钥。实施了各种潜在攻击实验以检验所提出的加密系统的有效性。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/832a/6803697/870536944647/41598_2019_50263_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/832a/6803697/892b444e9a2f/41598_2019_50263_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/832a/6803697/7420ee6fb19d/41598_2019_50263_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/832a/6803697/144cd0f3cb27/41598_2019_50263_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/832a/6803697/8acfcf99e2da/41598_2019_50263_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/832a/6803697/b5d5ea5276f2/41598_2019_50263_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/832a/6803697/870536944647/41598_2019_50263_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/832a/6803697/892b444e9a2f/41598_2019_50263_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/832a/6803697/7420ee6fb19d/41598_2019_50263_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/832a/6803697/144cd0f3cb27/41598_2019_50263_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/832a/6803697/8acfcf99e2da/41598_2019_50263_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/832a/6803697/b5d5ea5276f2/41598_2019_50263_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/832a/6803697/870536944647/41598_2019_50263_Fig6_HTML.jpg

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Opt Lett. 2013 May 15;38(10):1651-3. doi: 10.1364/OL.38.001651.
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基于分数阶傅里叶变换域相位掩模复用的多图像加密。
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