Image encryption using modified exclusive-OR rules and phase-wrapping technique
Image encryption using modified exclusive-OR rules and phase-wrapping technique
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DOI：
10.1016/j.optcom.2005.05.026
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发表时间：
2005-10
影响因子：
2.4
通讯作者：
Chang-Mok Shin;Soo-Joong Kim
中科院分区：
文献类型：
--
作者：
Chang-Mok Shin;Soo-Joong Kim
我们提出了一种新的加密方案，使用改进的异或规则和相位包装技术。在图像加密方面，将灰度图像分割成具有相同像素数的二值图像，用修改后的异或规则对双极随机图像进行加密。通过相位包裹技术和相位编码方法，将xor图像和双极随机图像分别组合成全相位图像，分别称为加密图像和密钥图像。相位包裹技术不仅可以减小加密图像和密钥图像的相位分量范围，而且可以保持这些图像的随机性。解密过程通过相位可视化系统简单地实现。通过数值仿真验证了所提方案的有效性。
We propose a new encryption scheme using modified exclusive-XOR rules and a phase-wrapping technique. For image encryption, a gray image is sliced into binary images, which have the same pixel number, and these images are encrypted by the modified XOR rules with bipolar random images. The XORed images and the bipolar random images are combined respectively and converted into full phase images, called an encrypted image and a key image, by a phase-wrapping technique and phase-encoding method. The phase-wrapping technique can not only reduce the ranges of phase components of the encrypted image and the key image but also maintain randomness of these images. The decryption process is simply implemented by a phase-visualization system. Numerical simulations are carried out to verify the validity of the proposed scheme.