A new invisible watermarking technique which could localize tampered areas for image authentication was proposed, based on image feature and public key cryptography.
提出一种基于图像特征和公钥密码系统的易损水印算法，在图像认证中能够定位图像被篡改的位置。
Digital watermark is invisible mark embedded in digital image, video or audio documents, by detecting the information of watermarking to protect copyright of multimedia data.
数字水印是一种嵌入到图像、视频或者音频数据中的不可见标志，通过对水印信息的检测可以达到保护多媒体数据版权的目的。
Invisible image watermarking is an effective method to provide protection for copyright ownership of digital media.
图像隐形水印是解决数字媒体版权保护的有效手段。
An invisible image watermarking algorithm for embedding meaningful watermarks is proposed.
提出了一个嵌入有意义字符串的图象隐形水印算法。
Experimental results demonstrate that, not only the watermarking capacity is increased, but also the embedded watermarks are invisible, secure and robust.
实验结果证明了该算法在提高水印容量的同时，嵌入水印也具有很好的安全性、隐蔽性和鲁棒性。
The experiments show that the watermarking is perceptually invisible and robustable.
实验结果表明，水印具有良好隐蔽性和鲁棒性。
Experimental results show the algorithm is invisible and robust to certain common distortions. Thus the lowest frequency component is not prohibition for watermarking.
实验结果表明，该算法具有不可见性，对于通常的图像失真具有较好的鲁棒性，说明最低频成分并不是水印的禁区。
Experimental results show the algorithm is invisible and robust to certain common distortions. Thus the lowest frequency component is not prohibition for watermarking.
实验结果表明，该算法具有不可见性，对于通常的图像失真具有较好的鲁棒性，说明最低频成分并不是水印的禁区。
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