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Opt Lett. 1995 Apr 1;20(7):767-9.

Optical image encryption based on input plane and Fourier plane random encoding.

Abstract

We propose a new optical encoding method of images for security applications. The encoded image is obtained by random-phase encoding in both the input and the Fourier planes. We analyze the statistical properties of this technique and show that the encoding converts the input signal to stationary white noise and that the reconstruction method is robust.

PMID:
19859323
DOI:
10.1364/ol.20.000767

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