For the positive real function image encoded by double random-phase, the first random-phase mask placed in the blank can not serve as the key when the decrypted image is detected by intensity detector in the decrypting process.

  • 正的实函数图像通过双随机相位编码加密以后,在解密过程中,用光强探测器接收解密图像时,位于空域的第1块相位掩模不起密匙作用。

  • 互联网摘选 2025-01-20 12:43:21

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