Journal
OPTICS AND LASERS IN ENGINEERING
Volume 112, Issue -, Pages 162-169Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.optlaseng.2018.09.015
Keywords
Monospectral image encryption; Hyperchaotic system; Cellular automata; Color image encryption
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Funding
- National Key RAMP
- D Program of China [2017YFB10 02900]
- National Natural Science Foundation of China (NSFC) [61705146, 61535007]
- Fundamental Research Funds for the Central Universities [YJ201637]
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We propose a monospectral image encryption method in which the multispectral color image acquisition by using heterogeneous monospectral cameras. Because the captured monospectral elemental images (EIs) belongs to grayscale image, it is means that the captured Els can be directly encrypted by the proposed encoding method. Subsequently, the linear cellular automata (CA) and hyperchaotic encoding algorithm are employed to encrypt the captured EIs. Different from previous methods, the proposed method can directly encrypt the multispectral color information rather than having to divide into three color channels (R, G and B), thereby, the proposed method can greatly reduce the encryption calculation.
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