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http://dx.doi.org/10.6109/jkiice.2010.14.7.1617

Control of Layered Encryption for SVC Video Streaming  

Hwang, Jae-Hyung (어니언텍)
Seo, Kwang-Deok (연세대학교 컴퓨터정보통신공학부)
Jung, Soon-Heung (한국전자통신연구원)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.14, no.7, 2010 , pp. 1617-1625 More about this Journal
Abstract
Recently, the standardization of SVC technology which can provide adaptive video quality in diverse service environments has been completed. This paper proposes a layered encryption technique which takes into account the prioritized layer characteristics of SVC and control constant encryption complexity satisfying the target computational complexity. In particular, it analyzes the importance of NAL unit in the SVC video layer and suggests a method to apply appropriate encryption complexity proper for it. The effectiveness of the proposed method is proved through the comparison of time required for encryption and the reconstructed video quality using imperfect decryption key.
Keywords
Scalable video coding; layered video coding; video encryption; information security;
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