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A flexible and secure image compression coding algorithm

Authors: Heng Li; null Wang Jizhi; null Wang Yinglong; null Tian Min; null Xu Shujiang;

A flexible and secure image compression coding algorithm

Abstract

In this paper, we investigate the problem of efficient image data encryption and compression. Based on feedforward-feedback nonlinear dynamic filter (FFNDF) and employing random arithmetic coding, a novel image encryption scheme integrated with the set partitioning in hierarchical trees (SPIHT) has been proposed. The FFNDF is employed to generate pseudorandom sequences which determine the mapping the interval position in the process of arithmetic coding. By encoding the bits obtained from different passes in the SPIHT algorithm with adaptive random arithmetic coding, we obtain a flexible secure image compression coding scheme. Also, the scheme accommodates features of progressive coding of the SPIHT. Theoretical analysis and experimental results show that the scheme has good cryptographic security and perceptual security, and it does not affect the compression efficiency apparently. The efficiency and security of the encryption scheme makes it an ideal choice in various applications such as total encryption, selective encryption, conditional access.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
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