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论文类型：期刊论文

发表时间：2008-06-02

发表刊物：IMAGE AND VISION COMPUTING

收录刊物：SCIE、EI

卷号：26

期号：6

页面范围：788-798

ISSN号：0262-8856

关键字：blind source separation; independent component analysis; image encryption

摘要：Blind source separation (BSS) has been successfully applied to many fields such as communications and biomedical engineering. Its application for image encryption, however, remains largely unexplored. In this contribution, a novel BSS-based scheme is proposed for encrypting multiple images, in which the underdetermined BSS problem is fully exploited to achieve the image security. The necessary conditions for generating the key images required for this underdetermined system are presented. The sufficient conditions for constructing the underdetermined mixing matrix for encryption are then described. Extensive computer simulations, coupled with the performance analyses, demonstrate the high level of security of the proposed method. (c) 2007 Elsevier B.V. All rights reserved.