期刊名称：International Journal of Electrical, Electronics and Computer Engineering
电子版ISSN：2277-2626
出版年度：2012
卷号：1
期号：2
页码：5
语种：English
出版社：RESEARCH TREND
摘要：ABSTRACT : The rapid growth of the Internet in the past years has rapidly increased the availability of digital data such as audio, images and videos to the public. As we have witnessed in the past few months, the problem of protecting multimedia information becomes more and more important and a lot of copyright owners are concerned about protecting any illegal duplication of their data or work. Some serious work needs to be done in order to maintain the availability of multimedia information. In this paper we have survey of different approach of digital water marking technique such as DCT based technique, pixel Interchanged based technique, rotation of pixel technique and amplitude of the quaternion technique and related technique of digital water marking for the data truncation.
