Layered Multicast Encryption of Motion JPEG2000 Code Streams for Flexible Access Control
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概要
- 論文の詳細を見る
In this paper, we propose a layered multicast encryption scheme that provides flexible access control to motion JPEG2000 code streams. JPEG2000 generates layered code streams and offers flexible scalability in characteristics such as resolution and SNR. The layered multicast encryption proposal allows a sender to multicast the encrypted JPEG2000 code streams such that only designated groups of users can decrypt the layered code streams. While keeping the layering functionality, the proposed method offers useful properties such as 1) video quality control using only one private key, 2) guaranteed security, and 3) low computational complexity comparable to conventional non-layered encryption. Simulation results show the usefulness of the proposed method.
著者
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TONOMURA Yoshihide
NTT Network Innovation Laboratories, NTT Corporation
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FUJII Tatsuya
NTT Network Innovation Laboratories, NTT Corporation
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Fujii Tatsuya
Ntt Network Innovation Laboratories
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Nakachi Takayuki
Ntt Network Innovation Laboratories
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Tonomura Yoshihide
Ntt Network Innovation Laboratories
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Toyoshima Kan
Ntt Network Innovation Laboratories Ntt Corporation
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- Layered Multicast Encryption of Motion JPEG2000 Code Streams for Flexible Access Control
- Layered Multicast Encryption of Motion JPEG2000 Code Streams for Flexible Access Control