对该图形进行振幅型双随机相位加密变换，得到原信息的加密灰度图；
Later, using amplitude-based double-random-phase transform, the enciphered gray scale figure is formed .
对双随机相位加密过程进行了计算机模拟，并对该技术的误差容限进行了分析与模拟。
Double random phase encryption technique is simulated, its faulty tolerance is also analyzed and results of simulated experiments are given.
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 anamorphic fractional Fourier transform and double random phase encoding is proposed.
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