The double random phase real-value encryption and decryption method is proposed for the optical image security system.
提出了一种基于双随机相位的图像实值编码方法，该方法可应用于光学图像加密。
Is an optical polymer materials based on the use of high technology materials made with realistic three-dimensional image of the high-tech visual effects of security products.
是一项以光学高分子材料为基础，运用高材料工艺制作而成，具有立体逼真的图像效果的高科技视觉防伪产品。
Is an optical polymer materials based on the use of high technology materials made with realistic three-dimensional image of the high-tech visual effects of security products.
是一项以光学高分子材料为基础，运用高材料工艺制作而成，具有立体逼真的图像效果的高科技视觉防伪产品。
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