数字水印技术的研究

作为版权保护的重要手段，数字水印技术得到了广泛的应用。他利用数据隐藏技术将特别的信息隐藏在数字产品中，达到标识和保护著作权的作用。首先对数字水印技术的特征和简单分类进行了介绍．然后重点讨论了当前的一些典型算法和常见的攻击方法，并对水印技术的实际应用进行了探讨和分析．最后提出了一些该领域中目前尚待解决的问题。

Study on Watermarking Technology

As an important method of copyright protection, watermarking technology has gained wide applications, which employs information hiding technology to hide special data in digital products so as to label and protect copyright. This paper firstly introduces the characteristic and classification of watermarking technology. Then a number of classical algorithm available and commonly used attacking method to watermarking technology is discussed. Following the author analyze the practical application of watermarking. Finally, problems leaved to be solved in this field is proposed.