Abstract

Multimedia data and information systems manage, communicate, and present multimedia data including text, images, audio and video. We need to ensure that the data is protected from unauthorized access as well as malicious corruption. Digital watermarking techniques that insert hidden copyright messages into the multimedia data are needed. Furthermore, since multimedia data is being used for security applications such as surveillance and monitoring, protecting privacy of the individual is crucial.This presentation will discuss the developments and directions for securing multimedia systems. First we will first issues on incorporating security into multimedia data and information systems. We will review various security mechanisms and access control policies and discuss the applicability of these mechanisms and policies for multimedia data. Second, we will examine the developments of digital libraries, which can be considered to be special kinds of multimedia data and information systems, and discuss various developments on secure digital libraries. Access control models such as role-based access control and copyright protection methods for digital libraries will be discussed. Third, we will discuss the developments in securing multimedia communication systems including VoIP security. Emerging novel techniques in digital watermarking as well as the use of multimedia data for computer forensics analysis will also be discussed. Finally, the applications of multimedia data for surveillance and monitoring as well as video data analysis for national security applications will be discussed. Privacy violations that could occur through multimedia data mining as well as directions for privacy preserving surveillance and privacy preserving multimedia data mining will be discussed.

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