Multiple-image encryption scheme with a single-pixel detector

Multiple-image encryption scheme with a single-pixel detector
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具有单像素检测器的多图像加密方案

DOI:
10.1080/09500340.2016.1154196
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发表时间:
2016-02
影响因子:
1.3
通讯作者:
Li Zhongyang
Li Zhongyang
中科院分区:
物理与天体物理4区
文献类型:
--
作者:
Yuan Sheng;Liu Xuemei;Zhou Xin;Li Zhongyang

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摘要根据重影成像原理,提出了一种单像素探测器的多图像加密方案。在该方案中,每个空间相干激光束被一组相位掩模密钥修改并照射在秘密图像上。所有的透射光被一个单像素(桶)检测器记录在一起,以获得一个密文,但任何秘密图像可以从密文中独立解密,没有任何相互重叠,尽管它们中有一些噪声。由于密文是实值函数,MIE方案能有效避免秘密图像之间的相互抽取,特别是在需要将不同的秘密图像分发给不同授权用户的情况下,MIE方案将给数据的存储和传输带来方便。从理论上描述了MIE方案的基本原理,并通过计算机模拟进行了验证。最后,对算法的可行性、鲁棒性和加密容量进行了数值验证.
Abstract A multiple-image encryption (MIE) scheme with a single-pixel detector has been proposed according to the principle of ghost imaging. In this scheme, each of the spatially coherent laser beams is modified by a set of phase-mask keys and illuminates on a secret image. All of the transmitted lights are recorded together by a single-pixel (bucket) detector to obtain a ciphertext, but anyone of the secret images can be decrypted from the ciphertext independently without any mutually overlapped despite some noise in them. The MIE scheme will bring convenience for data storage and transmission, especially in the case that different secret images need to be distributed to different authorized users, because the ciphertext is a real-valued function and this scheme can effectively avoid the secret images being extracted mutually. The basic principle of the MIE scheme is described theoretically and verified by computer simulations. Finally, the feasibility, robustness and encryption capacity are also tested numerically.
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