The growth of high speed computer networks and that of Internet, in particular, has explored
means of new business, scientific, entertainment, and social opportunities. Ironically, the …

Digital watermarking has been proposed as a solution to the problem of copyright protection
of multimedia documents in networked environments. There are two important issues that …

With the rapid development of computer science, problems with digital products piracy and
copyright dispute become more serious; therefore, it is an urgent task to find solutions for …

Data security becomes more and more important in telemammography which uses a public
high-speed wide area network connecting the examination site with the mammography …

Imagine sending a magazine article to 10 friends-making photocopies, putting them in
envelopes, adding postage, and mailing them. Now consider how much easier it is to send …

Watermarking is one of the most vital digital information hiding technique, which can be
used with cryptography mechanism for providing more security to digital data. In image …

For sensitive areas that even the slight distortion in images is not tolerated, we propose a
prediction error expansion-based reversible data hiding algorithm which can embed …

The large-scale communication of multimedia data motivates the protection of digital
information against illegal duplication and manipulation. This work is concerned with the …

In order to increase the value of scientific datasets and improve research outcomes, it is
important that only trustworthy data is used. This paper presents mechanisms by which …

随着计算机和网络技术的飞速发展, 数字图像, 音频和视频产品愈来愈需要一种有效的版权保护
方法, 另外通信系统在网络环境下的信息安全问题也日益显露出来. 数字图像水印技术为上述 …