本发明公开了数字水印基础设施，它一种基于数字水印的数字作品版权保护系统。
The present invention discloses basic watermark facility, and is one digital work copyright protecting system based on digital watermark.
在此基础上，提出了一个基于多重数字水印的数字版权保护管理系统模型，并介绍了其功能和应用。
On this basis, a solution of digital copyright protection management system is provided, together with its function...
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