针对文字扫描操作，给出了这种安全范式在二值图像上的具体实现方法：利用扫描过程中测量噪声的不确定性来携带信息。

A scheme to realize this secure paradigm in binary images using scanning operation is proposed and a more efficient practical method is also presented based on morphological theory.

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文字和图画可以扫描进计算机。

Text and pictures can be scanned into the computer.

《牛津词典》

而我们能在人类身上进行的研究，诸如大脑扫描，对甄别具体负责文字、语法和讲话的功能区域还远远不够。

The types of human research that we can do—such as brain scans—aren’t detailed enough for identifying words, using grammar, and the act of speech.

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