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Fault tolerance properties of a double phase encoding encryption technique
Home
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Fault tolerance properties of a double phase encoding encryption technique
Fault tolerance properties of a double phase encoding encryption technique
BJ
Bahram Javidi
Bahram Javidi
AS
Arnaud Sergent
Arnaud Sergent
GZ
Guanshen Zhang
Guanshen Zhang
LG
Laurent Guibert
Laurent Guibert
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1 April 1997
journal article
Published by
SPIE-Intl Soc Optical Eng
in
Optical Engineering
Vol. 36
(4)
,
992-998
https://doi.org/10.1117/1.601144
Abstract
We investigate the robustness of an image encryption technique that uses random phase encoding in both the input plane and the Fourier plane when the encrypted image has been distorted. The distortions include different types of noise, loss of encrypted data, and the binarization of the encrypted image. It is shown that decryption transforms the noise added to the encrypted image to a wide-sense stationary additive white noise. Consequently, regardless of the type of the noise added to the encrypted image, the quality of the recovered image can be improved by processing techniques designed for filtering out additive white noise. The double-phase encryption technique distributes the input image over the entire output plane, which provides robustness to the distortions due to loss of encrypted data. Regarding the binarization, it enables easy implementation and data compression while recovering images of good quality may be possible. ©
1997 Society of Photo-Optical Instrumentation Engineers.
Keywords
ROBUSTNESS
ENCRYPTION TECHNIQUE
NOISE
TOLERANCE
DISTORTIONS
PLANE
ENCRYPTED
DOUBLE PHASE
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Open Access
Cited by 108 articles