Secure Multimedia Computing
Security was never taken into account in the design stage of any existing multimedia coding standard, which leads to some inevitable conflicts between multimedia coding and security tools. In this proposed research, we plan to change this trend by considering security as a major concern in the design of "secure multimedia computing" systems from a holistic point of view. To be more precise, we propose to study how to amend existing multimedia coding standards and deploy multimedia encryption techniques properly to maximize the overall performance of a joint multimedia compression-encryption system. After performing a comprehensive comparative study on the subtle relationship between multimedia coding and encryption, we will try to work out two encryption-friendly multimedia coding frameworks with clearly defined syntax formats and decoding policies. Based on the two newly developed multimedia coding frameworks, we will further investigate how to incorporate digital watermarking into the joint compression-encryption system, and how to implement holistic Digital Rights Management (DRM) systems.
- FB Informatik und Informationswissenschaft
|(2012): Secure Computing with the MPEG RVC Framework||
Recently, the ISO/IEC standardized a dataflow-programming framework called Reconfigurable Video Coding (RVC) for the specification of video codecs. The RVC framework aims at providing the specification of a data-driven system at a high abstraction level so that the functionality (or behaviour) of the system become independent of the implementation details. The idea is to specify a system so that only the functionality (or behaviour) of the algorithms are explicitly expressed via their input and output interfaces, and the implementation choice (conversion of implementation-independent abstract solution to implementation-dependent solution) can then be made only once specific target platform has been chosen. With this approach, one abstract design can be used to automatically create implementations towards multiple target platforms. Although RVC was developed with the perspective of video codecs, it can serve as a general-purpose framework for domains beyond multimedia codecs. This motivated us to research: 1) if and how RVC can benefit other domains like secure computing? 2) can applications in other domain help evolve RVC to make it an even more general and useful solution?
|Exzellenzinitiative||877/08||3. Fö Zukunftskolleg||01.07.2008 – 30.06.2010|
|Laufzeit:||01.07.2008 – 30.06.2012|