光学图像加密中随机模板的特性比较

沈学举; 许芹祖; 刘旭敏

光学图像加密中随机模板的特性比较

军械工程学院,河北石家庄 050003

详细信息

通讯作者:
沈学举（1963-），男，山东人，教授，博士生导师，现主要从事激光技术及光学信息处理方面的教学和研究工作

中图分类号: TN911.73
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- 文章访问数: 1884
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出版历程
- 刊出日期: 2014-01-14

Properties comparison of random mask in optical image encryption

Ordnance Engineering College,Shijiazhuang 050003,China

摘要

摘要: 为比较光学图像加密中随机模板的特性，分别利用随机相位模板和随机振幅模板对几种典型的光学图像加密系统进行了光学图像加密的数值模拟和加密效果分析。模拟结果表明，将随机振幅模板用于基于光学傅里叶变换的双随机模板图像加密系统时，原始图像和加密图像的相关系数大于0.5，不能有效加密原始图。但将其用于基于菲涅耳变换全息的光学图像加密系统时，原始图像和加密图像的相关系数趋于0，可获得与使用随机相位模板时非常接近的加密效果。
- 光学图像加密 /
- 随机相位模板 /
- 随机振幅模板 /
- 加密效果
Abstract: To compare the properties of random mask in the optical image encryption, optical image encryption was stimulated and image encryption effects were analyzed using random phase mask and random amplitude mask in the several typical optical image encryption systems. The stimulation result shows that the correlation coefficient between original image and encryption image is bigger than 0.5 when random amplitude mask is used in double random mask optical encryption system based on optical Fourier transform and the original image can not be encrypted effectively. But the correlation coefficient between original image and encryption image approaches 0 when random amplitude mask is used in optical encryption system based on optical Fourier transform holography and the encryption effect is similar to one when random phase mask is used.
- optical image encryption /
- random phase mask /
- random amplitude mask /
- encryption effect

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参考文献(1)

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文章访问数: 1884
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光学图像加密中随机模板的特性比较

通讯作者:
沈学举（1963-），男，山东人，教授，博士生导师，现主要从事激光技术及光学信息处理方面的教学和研究工作

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Properties comparison of random mask in optical image encryption

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光学图像加密中随机模板的特性比较

通讯作者: 沈学举（1963-），男，山东人，教授，博士生导师，现主要从事激光技术及光学信息处理方面的教学和研究工作

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出版历程

Properties comparison of random mask in optical image encryption

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出版历程

目录

相关数据库

广告合作

友情链接

帮助中心

通讯作者:
沈学举（1963-），男，山东人，教授，博士生导师，现主要从事激光技术及光学信息处理方面的教学和研究工作