在图像脆弱水印技术中，算法安全性、定位精度和篡改恢复效果是主要的研究方向。
In image fragile watermarking technique, the algorithm's security, the accuracy of localization and the capability of recovering tampered region are the main areas of research.
仿真实验表明，该算法对任意大小的亮度图像、RGB图像具有高精度的篡改定位能力，并且具有很好的篡改恢复性能。
The simulation results show that the proposed algorithm has precise tamper localization to any size of brightness images and RGB images, and has good tamper recovery performance.
同样在上周六，一位任务中女发言人称报道这一次任务的官方网站在受到一名黑客连夜篡改了其网站上头条消息后恢复正常。
Also Saturday, a spokeswoman for the mission said its public Web site was back up after a hacker managed to change the site's lead story overnight.
设计并实现了一种基于分层的半脆弱数字水印算法，用于图像内容完整性认证，篡改定位和恢复。
A hierarchical semi-fragile digital watermarking algorithm was designed for image content integrality authentication, tamper localization and recovery.
提出了一种基于图像块关联机制，实现图像篡改检测和恢复的脆弱水印新算法。
We propose a fragile watermarking scheme capable of image tamper detection and recovery with a block-wise dependency mechanism.
为提高可恢复双水印算法抵抗伪造攻击的能力，提出一种用于图像篡改检测和恢复的安全双水印算法。
To improve the security against the counterfeiting attack, this paper proposes a secure dual watermark scheme for image tamper detection and recovery.
它既可用来备份、监控、自动恢复网站的主页，也可用来备份、监控电子文档，防止对电子文档的篡改。
This system, in one way, can backup, monitor and recover the web page automatically, in the other way, it can backup, monitor electronic document for the sake of its security.
要实现篡改图像的恢复，就要有足够多的图像信息。
To recover the distorted images, we must have enough image information.
浏览器警卫同样也可以监控IE的开始和默认页面的变化，如果它们被篡改为恶意网站网页，则会自动恢复默认的设置。
Browser Guard now also monitors for changes to Internet Explorer start and default pages and if they are set to a malicious site, they are reset back to default Settings.
浏览器警卫同样也可以监控IE的开始和默认页面的变化，如果它们被篡改为恶意网站网页，则会自动恢复默认的设置。
Browser Guard now also monitors for changes to Internet Explorer start and default pages and if they are set to a malicious site, they are reset back to default Settings.
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