On the design of an efficient encryption-then-compression system
Zhou J.2; Liu X.3; Au O.C.1
Conference NameIEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
Source PublicationICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings
Conference DateMAY 26-31, 2013
Conference PlaceVancouver, CANADA

In many practical scenarios, image encryption has to be conducted prior to image compression. This has led to the problem of how to design a pair of encryption and compression algorithms such that compressing the encrypted image can still be efficiently performed. In this work, we propose a permutation-based image encryption method conducted over the prediction error domain. We also design an arithmetic coding (AC)-based approach to efficiently compress the encrypted image. It can be shown that the proposed scheme can provide reasonably high level of security. More notably, the compression performance on the encrypted image is only slightly degraded, compared with that of compressing the original, un-encrypted one. In contrast, most of the existing approaches induce significant penalty on the compression performance. © 2013 IEEE.

KeywordImage Compression Image Encryption
URLView the original
Indexed BySCI
WOS Research AreaAcoustics ; Engineering
WOS SubjectAcoustics ; Engineering, Electrical & Electronic
WOS IDWOS:000329611503007
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Cited Times [WOS]:5   [WOS Record]     [Related Records in WOS]
Document TypeConference paper
Affiliation1.Hong Kong University of Science and Technology
2.Universidade de Macau
3.Harbin Institute of Technology
Recommended Citation
GB/T 7714
Zhou J.,Liu X.,Au O.C.. On the design of an efficient encryption-then-compression system[C],2013:2872-2876.
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