Computer experts at the University of California in San Diego set out to show how easily keys could be copied from a digital image to highlight the potential security risk of leaving keys on display.
为了强调钥匙曝光的对安全造成的潜在危险，圣地亚哥加利福尼亚大学的计算机专家打算证明通过数码照片配制钥匙轻而易举。
Nowadays, the information security of digital image has already become the international hot subject.
当今，数字图像的信息安全已经成为国际上研究的热门课题。
An digital image watermark algorithm is proposed based on the synergetic neural network, combined with encryption technique, to guarantee its robustness and security.
为保证图像数字水印的鲁棒性和安全性，结合加密技术，提出了一种使用协同神经网络的图像数字水印算法。
In the existing method of digital watermark, for embedding watermark information, authors modify more or less original image data through various methods to limit its robustness and security.
已有的数字水印方法为了嵌入水印信息都对原图像数据采用各种方法或多或少地进行了修改，这样做使其鲁棒性和安全性受到限制。
Thus the security of the digital image on Internet can be protected and the digitisation and the network application of the industry of Packaging and Printing can be accelerated.
这样，包装印刷图像网络传输的安全问题得到了初步解决，从而有助于包装印刷业数字网络化的实现。
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。
Most existing methods of digital watermarking modify more or less the original image data for embedding watermarks, which limits the robustness and security.
在水印嵌入的时候，已有的大多数数字水印方法都是对原始图像数据信息作一定的运算修改，使得鲁棒性和安全性受到限制。
As a branch of multimedia information security technology, digital image authentication is paid close attention by one of a growing number of experts.
数字图像认证技术作为多媒体信息安全技术的分支之一，受到了越来越多专家学者的重视。
This paper mainly discusses the watermark technique applied in information security concerning digital image.
本论文主要探讨有关数字图像信息安全中的数字水印技术。
This digital image hiding technique improves the imperceptibility and security of hiding image.
该算法保证了隐藏图像的安全性，提高了隐藏的视觉效果。
This digital image hiding technique improves the imperceptibility and security of hiding image.
该算法保证了隐藏图像的安全性，提高了隐藏的视觉效果。
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