This paper discusses the concept, basic characters and classification of digital watermark.. And it also discusses the applying of digital watermark in the copyright of digital production and information security of digital library.
李书宁,马明霞. 数字水印技术在数字图书馆安全性问题中的应用[J]. 现代图书情报技术, 2002, 18(1): 17-19.
Li Shuning,Ma Mingxia. The Applying of Digital Watermark in Digital Library Security. New Technology of Library and Information Service, 2002, 18(1): 17-19.