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Influence of a perturbation in the Gyrator domain for a joint transform correlator-based encryption system
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Paper Abstract

We present the results of the noise and occlusion tests in the Gyrator domain (GD) for a joint transform correlator-based encryption system. This encryption system was recently proposed and it was implemented by using a fully phase nonzero-order joint transform correlator (JTC) and the Gyrator transform (GT). The decryption system was based on two successive GTs. In this paper, we make several numerical simulations in order to test the performance and robustness of the JTC-based encryption-decryption system in the GD when the encrypted image is corrupted by noise or occlusion. The encrypted image is affected by additive and multiplicative noise. We also test the effect of data loss due to partial occlusion of the encrypted information. Finally, we evaluate the performance and robustness of the encryption-decryption system in the GD by using the metric of the root mean square error (RMSE) between the original image and the decrypted image when the encrypted image is degraded by noise or modified by occlusion.

Paper Details

Date Published: 22 August 2017
PDF: 7 pages
Proc. SPIE 10453, Third International Conference on Applications of Optics and Photonics, 1045329 (22 August 2017); doi: 10.1117/12.2275947
Show Author Affiliations
Juan M. Vilardy, Univ. de la Guajira (Colombia)
María S. Millán, Univ. Politècnica de Catalunya (Spain)
Elisabet Pérez-Cabré, Univ. Politècnica de Catalunya (Spain)


Published in SPIE Proceedings Vol. 10453:
Third International Conference on Applications of Optics and Photonics
Manuel Filipe P. C. M. Martins Costa, Editor(s)

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