For many digital image watermarks,geometric distortions are their weakness.
几何变换攻击一直是许多数字图像水印的薄弱环节。
参考来源 - 一种抗几何变换攻击的盲图像水印·2,447,543篇论文数据，部分数据来源于NoteExpress
Experimental results indicate that the presented approach is remarkably effective in detecting and extracting digital image watermarks, and features robustness.
实验结果表明，本文提出的方法可以有效提取数字水印，而且具有稳健性。
It embeds watermarks into the digital images, then carries out the functions such as informations hiding, storing, copyright safeguarding by tracking the use of the image by detecting the watermarks.
它将水印嵌入到数字图像中，通过对它的检测(提取)跟踪图像的使用情形，从而实现数字图像的秘密传输、存储、版权维护等功能。
It is studied that the problems in embedding multiple watermarks simultaneously, and proposed an image watermarking scheme which embedded fragile and robust watermarks at the same time.
研究了多类数字水印同时嵌入的问题，提出了一种同时嵌入两类水印的图像数字水印算法。
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