Cascaded systems for optical image encryption based on diffractive optical elements are presented.
提出基于衍射光学器件的光学图像级联加密系统。
Cascaded systems based on diffractive optical elements for optical image encryption are presented.
提出基于衍射光学器件的光学图像级联加密系统。
A new optical image encryption method using anamorphic fractional Fourier transform and double random phase encoding is proposed.
提出一种利用变形分数傅里叶变换和双随机相位编码对图像加密的方法。
A new optical image encryption method using dissymmetrical fractional Fourier transform and double random phase encoding was presented.
提出了一种利用不对称分数傅里叶变换和双随机相位编码对图像加密的方法。
This system can be used in hologram producing, color image transform, optical image encryption, filter producing, optical anti-counterfeiting and other fields.
该技术可应用于全息图制作、彩色图像变换、光学图像加密、滤波器的制作、光学防伪等领域。
This system can be used in hologram producing, color image transform, optical image encryption, filter producing, optical anti-counterfeiting and other fields.
该技术可应用于全息图制作、彩色图像变换、光学图像加密、滤波器的制作、光学防伪等领域。
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