Journal
OPTICS AND LASER TECHNOLOGY
Volume 47, Issue -, Pages 152-158Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.optlastec.2012.09.007
Keywords
Image hiding; Cryptography; Scrambling
Categories
Funding
- National Natural Science Foundation of China [1104049, 10974039, 61077075, 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]
- Opening Foundation by the State Key Laboratory of Transient Optics and Photonics, Chinese Academy of Sciences [SKLST201105]
- State Key Laboratory of Advanced Optical Communication Systems Networks, China
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We present a double image encryption scheme by using random pixel exchanging and phase encoding in gyrator domains. Two original images are regarded as the amplitude and phase of a function in the encryption algorithm. The pixels of the two images are exchanged randomly by controlling of a matrix. The same random matrix is used in the process of pixel exchanging and phase encoding for saving space in the application of transmission and storage of key. Some numerical simulation results are made for demonstrating the performance and security of the double image encryption. (C) 2012 Elsevier Ltd. All rights reserved.
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