Nonlinear Dynamics

, Volume 62, Issue 3, pp 647–664 | Cite as

Two-level chaos-based video cryptosystem on H.263 codec

  • Zengqiang Chen
  • W. H. Ip
  • C. Y. Chan
  • K. L. Yung
Original Paper


Chaos-based video encryption algorithms are designed based on selective encryption method. Different from many prevailing MPEG-based video encryption designs, this paper lays out a scheme for a two-level H.263-based video cryptosystem, which skillfully combines the traditional selective encryption algorithm with permutation and subsequent masking operation of the coded H.263-based stream. Lastly, the implementation of the proposed cryptosystem on a local area network (LAN) strongly illustrates the efficiency and feasibility of the two-level chaos-based cryptosystem for practical use in many respects, including processing speed, compression ratio, quality of reconstructed image and security level.


Chaos-based video cryptosystem Permutation and masking Baker map Hyperchaos H.263 codec 


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Copyright information

© Springer Science+Business Media B.V. 2010

Authors and Affiliations

  • Zengqiang Chen
    • 1
  • W. H. Ip
    • 2
  • C. Y. Chan
    • 2
  • K. L. Yung
    • 2
  1. 1.Department of AutomationNankai UniversityTianjinChina
  2. 2.Department of Industrial and Systems EngineeringThe Hong Kong Polytechnic UniversityHong KongChina

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