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Double random-phase encoding in the Fresnel domain
Abstract
A lensless optical security system based on double random-phase encoding in the Fresnel domain is proposed. This technique can encrypt a primary image to random noise by use of two statistically independent random-phase masks in the input and transform planes, respectively. In this system the positions of the significant planes and the operation wavelength, as well as the phase codes, are used as keys to encrypt and recover the primary image. Therefore higher security is achieved. The sensitivity of the decrypted image to shifting along the propagation direction and to the wavelength are also investigated.
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Cited by
Double image encryption by using iterative random binary encoding in gyrator domains
Liu, Z., Guo, Q., Xu, L., Ahmad, M. A., & Liu, S. (2010) · Optics Express · doi:10.1364/oe.18.012033 · Cited by 286
Secure image encryption scheme using double random-phase encoding and compressed sensing
Zhou, K., Fan, J., Fan, H., & Li, M. (2020) · Optics & Laser Technology · doi:10.1016/j.optlastec.2019.105769 · Cited by 107
Vilardy, J. M., Millán, M. S., & Pérez–Cabré, E. (2019) · Journal of Physics: Conference Series · doi:10.1088/1742-6596/1221/1/012046 · Cited by 5
Malsaria, A., Jyotiyana, M., & Sharma, K. (2025) · 2025 IEEE 4th International Conference for Advancement in Technology (ICONAT) · doi:10.1109/iconat66879.2025.11362495
Metadata
- Authors
- Situ, G., & Zhang, J.
- Venue
- Optics Letters
- Publisher
- Optica Publishing Group
- Published
- 2004-07-15
- Volume
- 29
- Issue
- 14
- Pages
- 1584
- ISSN
- 0146-9592 (ISSN-L)
- 1539-4794
- OpenAlex
- W2149323482
- Cited by
- 1,001
- References
- 0
- FWCI
- 8.83
- Type
- journal article
- Language
- en
- Open access
- closed
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- Situ, G., & Zhang, J. (2004). Double random-phase encoding in the Fresnel domain. Optics Letters. https://doi.org/10.1364/ol.29.001584
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