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Distributed source coding using chaos-based cryptosystem
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DOI：10.1016/j.cnsns.2012.05.021.png)
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Abstract
En 中文
A distributed source coding scheme is proposed by incorporating a chaos-based cryptosystem in the Slepian-Wolf coding. The punctured codeword generated by the chaos-based cryptosystem results in ambiguity at the decoder side. This ambiguity can be removed by the maximum a posteriori decoding with the help of side information. In this way, encryption and source coding are performed simultaneously. This leads to a simple encoder structure with low implementation complexity. Simulation results show that the encoder complexity is lower than that of existing distributed source coding schemes. Moreover, at small block size, the proposed scheme has a performance comparable to existing distributed source coding schemes. (C) 2012 Elsevier B.V. All rights reserved.
Keywords:
Chaos
Encryption
Distributed source coding
Slepian-Wolf coding
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