摘要
阐述了解决数字图书馆版权保护的措施,分析了数字水印技术的基本原理和常用的数字水印技术,着重论述了基于时空域LSB算法和变换域DCT算法相结合算法的特点及其在数字图书馆版权保护中的应用。
This paper expounds some measures for solving the copyright protection of digital library, analyzes the basic principles of digital watermarking technology and some commonly used digital watermarking technologies, and emphatically discusses the features of the algorithm based on the combination of' the time-space domain LSB algorithm and the transform domain DCT algorithm and its application in copyright protection of digital library.
出处
《科技情报开发与经济》
2013年第24期92-94,共3页
Sci-Tech Information Development & Economy
关键词
数字图书馆
数字水印
离散余弦变换
digital library
digital watermarking
discrete cosine transform