Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/31449
Title: Two-level chaos-based video cryptosystem on H.263 codec
Authors: Chen, Z
Ip, WH 
Chan, CY
Yung, KL 
Keywords: Baker map
Chaos-based video cryptosystem
H.263 codec
Hyperchaos
Permutation and masking
Issue Date: 2010
Publisher: Springer
Source: Nonlinear dynamics, 2010, v. 62, no. 3, p. 647-664 How to cite?
Journal: Nonlinear Dynamics 
Abstract: 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.
URI: http://hdl.handle.net/10397/31449
DOI: 10.1007/s11071-010-9751-1
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