研究了JPEG压缩标准和数字水印模型，提出一种基于JPEG压缩的二值图像水印算法。
It studies JPEG model and watermarking model and proposes an algorithm of watermark in compression domain.
在指出了数字图书馆的主要技术基础上，详细阐述了数字水印模块框架设计过程和基于数字水印的代理服务器功能的实现过程。
On the basis of pointing out the main technology foundations, this paper entails the design of watermarking module framework and implementation of functions of proxy server based on watermarking.
在指出了数字图书馆的主要技术基础上，详细阐述了数字水印模块框架设计过程和基于数字水印的代理服务器功能的实现过程。
On the basis of pointing out the main technology foundations, this paper entails the design of watermarking module framework and implementation of functions of proxy server based on watermarking.
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