Journal
IEEE ACCESS
Volume 6, Issue -, Pages 77740-77753Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/ACCESS.2018.2884013
Keywords
Double-image encryption; amplitude-phase encoding; DCRT; self-adapting parameter
Categories
Funding
- National Natural Science Foundation of China [61801131, 61661008, 61762018]
- Guangxi Natural Science Foundation [2017GXNSFAA198180, 2016GXNSFCA380017]
- Funding of Overseas 100 Talents Program of Guangxi Higher Education [F-KA16035, F-KA16016]
- Doctoral Research Foundation of Guangxi Normal University [2016BQ005]
- Science and Technology Major Project of Guangxi [AA18118004]
- Colleges and Universities Key Laboratory of Intelligent Integrated Automation, Guilin University of Electronic Technology, China [GXZDSY2016-03]
- Research Fund of Guangxi Key Lab of Multi-Source Information Mining and Security [18-A-02-02]
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In this paper, a novel double image encryption scheme based on amplitude-phase encoding and discrete complex random transform (DCRT) is proposed. First, two images are merged into a plural matrix by precoding, and the synthetic signal is modulated by the phase mask which is calculated from Chen chaotic sequences generated by using the self-adapting parameter as initial values. Then, the modulated signal is encrypted by amplitude-phase encoding and the DCRT. The final cipher-text is decomposed into amplitude and phase to obtain two encrypted images. Experimental results and performance analysis show that the proposed encryption scheme can effectively resist different attacks such as the differential attack, statistical attack, and so on, and it can be used for the secure communications.
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