论文研究以图象为载体的信息隐藏和变换域鲁棒数字水印技术。

The paper is devoted to researching information hiding technology and transform domain robust watermarking technology based on image cover.

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本文从工程实用的角度出发，研究了在图象、文本和音频中信息隐藏的技术。

In this dissertation, some algorithms of data hiding based on the digital image, text and audio are developed from the practical points of view.

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数字图像置乱利用一种可逆的变换将原始图象变换成一个杂乱无章的新图像，它通常作为图像信息安全与隐藏的基础性工作。

As the basic means for hiding huge image information, the scrambling of digital image makes the old image to a new disorderly image with a reversible transform.

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