digital image watermark technology 数字图像水印技术
Zero watermark is a new digital watermarking technology without modifying the data of original image.
零水印是不对原图像数据进行修改的一种新的数字水印技术。
The concepts and theory about digital watermark are introduced in this paper. A kind of fragile watermark technology is given by means of digital image scrambling technology.
本文概括地介绍了数字水印技术的概念及原理，并利用数字图像置乱技术，给出了一种脆弱数字水印技术。
In this article, I mainly probes digital image watermark technology about documents issued system.
本文主要探讨公文发布系统中的数字图象水印技术。
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