To improve the security of digital watermarking technology, compared and studied several familiar Image Shuffle technology, used MATLAB tool to realize it.

为提高数字水印技术的安全性，比较研究了几种常见的图像置乱技术各自的特点以及如何用MATLAB工具编程实现。

youdao

Use a digital sensor, however, and it is possible to shuffle the image across the sensor in such a way that it is exactly in step with the earth's rotation.

ECONOMIST: Mirror, mirror