Authenticating data such as image, video, and audio is an important task in digital communication. Another critical task is establishing ownership of the copyri

Digital audio, video, images, and documents are flying through cyberspace to their respective owners. Unfortunately, along the way, individuals may choose to in

Multimedia security has become a major research topic, yielding numerous academic papers in addition to many watermarking-related companies. In this emerging ar

This book constitutes the refereed proceedings of the 4th International Workshop on Digital Watermarking Secure Data Management, IWDW 2005, held in Siena, Italy

Privacy and Copyright protection is a very important issue in our digital society, where a very large amount of multimedia data are generated and distributed da