摘要
本文对多媒体信息安全中关键技术之一数字水印进行了研究。首先,对数字水印的基本概念、基本思想进行了介绍与分析。其次,简要介绍了数字水印的应用,重点分析了常用的数字图像水印方法,主要包括空域和变换域数字图像水印算法;最后,对目前数字水印存在的问题进行了总结。
A belief analysis of the digital image watermarking was presented in this paper.Firstly, the basic concept and basic view of digital watermarking were introduced; in the second, the application of digital watermarking was gave, thus the common methods of image watermarking as the key part which were explained, mainly including the spatial domain and the transform domain digital image watermarking. Lastly, concludes the problems of digital watermarking.
出处
《科技信息》
2010年第15X期53-54,共2页
Science & Technology Information
关键词
数字水印
不可感知性
鲁棒性
版权保护
Digital watermarking
Imperceptibility
Robustness
Copyright Protection
