期刊
OPTICS AND LASERS IN ENGINEERING
卷 51, 期 1, 页码 8-14出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.optlaseng.2012.08.004
关键词
Amplitude encoding; Phase encoding; Image encryption
类别
资金
- Opening Foundation by the State Key Laboratory of Transient Optics and Photonics, Chinese Academy of Sciences [SKLST201105]
- National Natural Science Foundation of China [1104049, 10974039, 11047153]
- Specialized Research Fund for the Doctoral Program of Higher education [20102302120009]
- Fundamental Research Funds for the Central Universities [HIT.NSRIF.2009038]
- Development Program for Outstanding Young Teachers in Harbin Institute of Technology [HITQNJS.2008.027]
To enhance the security of double random phase encoding, a kind of amplitude scrambling operation is designed and introduced into an image encryption process. The random data of the second phase mask in double random phase encoding is also employed for scrambling amplitude distribution in order to save the space of storage and transmission of the key information. The scrambling operator is changeable for generating the key. Some numerical simulations have been provided for testing the validity of the image encryption scheme. (C) 2012 Elsevier Ltd. All rights reserved.
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