Anamorphic: an optical system having different magnifications in the horizontal and vertical dimensions of the image.
变形：一个影像的水平空间和垂直空间里，这个光学系统呈现不同的放大倍数。
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。
The traditional method is to use an external anamorphic lens which can optically distort the image from a 16:9 aspect ratio into the wider 2.35 format.
传统的方法是使用外部变形镜头可以光学扭曲的小嵛象从一个16：9的宽高比纳入更广泛2.35格式。
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