Editing, reproduction and distribution of the digital multimedia are becoming extremely
easier and faster with the existence of the Internet and the availability of pervasive and …

We have entered an era where inexpensive and readily-available equipment can produce
perfect copies of digital multimedia materials, such as CD-quality audio, publication-quality …

Digital watermarking is the process of embedding information into a noise-tolerant digital
signal such as image or audio data. Such information is embedded in a way difficult to be …

In the literature many strategies for attacking and subverting a watermark have been
presented. Such attacks suggest that the ability to embed non-erasable watermarks does not …

We describe a number of applications of digital watermarking and we examine the common
properties of robustness, tamper resistance, fidelity, computational cost and false positive …

Digital watermarking has been presented as a solution for protection against illegal copying
of multimedia objects and many algorithms have been proposed. However, this technology …

Digital image watermarking techniques have been developed widely in recent years to
maintain the broadcasting media and content authentication, broadcast monitoring, copy …

Digital watermarking has been proposed as a solution to the problem of copyright protection
of multimedia documents in networked environments. It makes it possible to tightly associate …

Usage of digital media has witnessed a tremendous growth during the last decades, as a
result of their notable benefits in efficient storage, ease of manipulation and transmission …

We present a watermarking scheme using symmetric and asymmetric cryptography. The
scheme provides four essential features, confidentiality, authentication, integrity, and …