信息隐藏与数字水印

Information hiding and digital watermarking

作为信息隐藏技术的一个主要分支 ,数字水印技术已逐渐成为保护数字产品版权的重要手段 ,得到了广泛的研究和应用。本文第一部分简要介绍了现代信息隐藏技术的产生背景 ;第二部分介绍了信息隐藏技术的研究内容、发展及研究现状 ,并给出了信息隐藏系统的一个通用模型 ;第三部分首先给出了数字水印技术的定义及模型 ,然后对数字水印技术的应用领域、分类及特征进行了系统介绍 。

As a main part of information hiding techniques, digital watermarking has gradually become the primary method of copyright protection of the digital work, it has been widely studied and applied. The first section of this paper briefly introduces the background where modern information hiding techniques arose. In the second section, this paper presents the concept and research progress of information hiding techniques, and gives a general model of information hiding system. In the third section, this paper first gives the definition and model of digital watermarking, then introduces the application field, characteristics and classification of digital watermarking systematically. Finally, this paper presents a brief introduction of some main studies and applications of digital watermarking.