Journal
OPTICS AND LASERS IN ENGINEERING
Volume 51, Issue 8, Pages 967-972Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.optlaseng.2013.02.015
Keywords
Optical encryption; Cryptography; Chaotic mapping
Categories
Funding
- National Natural Science Foundation of China [11104049, 10974039, 61077075, 11047153]
- Specialized Research Fund for the Doctoral Program of Higher education [20102302120009]
- Fundamental Research Funds for the Central Universities [HIT.NS-RIF.2009038]
- New Century Excellent Talents in University [NCET-12-0148]
- Opening Foundations by the State Key Laboratory of Transient Optics and Photonics
- Chinese Academy of Sciences [SKLST201105]
- State Key Laboratory of Advanced Optical Communication Systems Networks
- State Key Laboratory of Information Security Institute of Information Engineering, Chinese Academy of Sciences, China
Ask authors/readers for more resources
We present a color image encryption algorithm by using chaotic mapping and Hartley transform. The three components of color image are scrambled by Baker mapping. The coordinates composed of the scrambled monochrome components are converted from Cartesian coordinates to spherical coordinates. The data of azimuth angle is normalized and regarded as the key. The data of radii and zenith angle are encoded under the help of optical Hartley transform with scrambled key. An electro-optical encryption structure is designed. The final encrypted image is constituted by two selected color components of output in real number domain. (C) 2013 Elsevier Ltd. All rights reserved.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available
Share Paper
