这种材料可以应用于 硬币制造，使其具有磁性，提高了硬币的金融机具识别性能和大众防伪能力。
The material can be used in coin production so that the coin has magnetic performance to improve recognition performance of finance tool to coin and popular anti-counterfeiting ability.
计算机仿真与光学扫描实验表明，该方法具有认证过程相对简单、解码图像信噪比高、成本低和防伪性能好等优点。
Computer simulations and optical scanning experiments show that the presented technique has advantages of the simple authentication process, high PSNR, inexpensive cost and good security.
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