Hiding Data in Multimedia Streaming over Networks

Authors:
Hong Zhao;Yun Q. Shi;Nirwan Ansari
Affiliations:
-;-;-
Venue:
CNSR '10 Proceedings of the 2010 8th Annual Communication Networks and Services Research Conference
Year:
2010

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Steganography in streaming multimedia over networks

Transactions on Data Hiding and Multimedia Security VII

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Abstract

This paper presents a steganography method to covertly transmit data via normal or delayed B frame packets in multimedia streaming over networks. The proposed covert channels do not change the original traffic pattern. The bandwidth and the impact of the proposed covertchannels on the quality of multimedia transmission are analyzed. Simulations on real video traces are conducted and the results show the proposed covert channels not only achieve relatively high bandwidth but also keep the received video quality high, which makesit practical and not easy to be detected.