Generalized butterfly graph and its application to video stream authentication
IEEE Transactions on Circuits and Systems for Video Technology
Content-aware distortion-fair video streaming in congested networks
IEEE Transactions on Multimedia - Special issue on quality-driven cross-layer design for multimedia communications
ICME'09 Proceedings of the 2009 IEEE international conference on Multimedia and Expo
ICME'09 Proceedings of the 2009 IEEE international conference on Multimedia and Expo
GLOBECOM'09 Proceedings of the 28th IEEE conference on Global telecommunications
A joint layered scheme for reliable and secure mobile JPEG-2000 streaming
ACM Transactions on Multimedia Computing, Communications, and Applications (TOMCCAP)
The Journal of Supercomputing
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This paper proposes an optimized content-aware authentication scheme for JPEG-2000 streams over lossy networks, where a received packet is consumed only when it is both decodable and authenticated. In a JPEG-2000 codestream, some packets are more important than others in terms of coding dependency and image quality. This naturally motivates allocating more redundant authentication information for the more important packets in order to maximize their probability of authentication and thereby minimize the distortion at the receiver. Towards this goal, with the awareness of its corresponding image content, we formulate an optimization framework to compute an authentication graph to maximize the expected media quality at the receiver, given specific authentication overhead and knowledge of network loss rate. System analysis and experimental results demonstrate that the proposed scheme achieves our design goal in that the rate-distortion (R-D) curve of the authenticated image is very close to the R-D curve when no authentication is required