摘要
简单介绍了数字水印技术的概念、原理和特点,根据水印所附载体不同,将数字水印分为图像水印、音频水印、视频水印、文本水印、网格水印和软件水印,并描述了其原理和各种不同的实现方法.最后介绍了数字水印技术目前在各个领域的应用,并指出数字水印技术的发展方向.
This paper roughly introduces the concept, principle and characteristic of the digital watermark, classifies the digital watermark into image watermark, audio frequency watermark, video frequency watermark, text watermark, grid watermark and software watermark, according to the carrier attached to the watermark, describes the theories and methods of various watermark, and finally mentions the application in different fields and their development in future.
出处
《湖州师范学院学报》
2006年第2期100-103,共4页
Journal of Huzhou University
关键词
数字水印
分类
空间域
变换域
稳健性
digital watermark
classification
space field
transformation field
robustness