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6 March 2002 Binary phase-based optical encryption system using interferometer
Dong-Hoan Seo, Chang-Mok Shin, Jong-Yun Kim, Chul-Soo Kim, Jeong-Woo Kim, Soo-Joong Kim
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Proceedings Volume 4734, Optical Pattern Recognition XIII; (2002) https://doi.org/10.1117/12.458402
Event: AeroSense 2002, 2002, Orlando, FL, United States
Abstract
In this paper, we propose a new image encryption and decryption system using a phase-modulated random key and the principle of interference. This optical system makes an encrypted image by the multiplication of a random phase key and a phase-modulated image. The random key and an image consist of only binary values. Thereafter a phase value of every pixel of the encrypted image is 0 or pi. The reconstructed pattern of the original image is simply performed by interfering between reference wave and a direct pixel to pixel mapping image of the encrypted image with the same random phase key. In optical experiment, both computer simulation and optical experiment show a good performance of the proposed optical method as encryption scheme.
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Dong-Hoan Seo, Chang-Mok Shin, Jong-Yun Kim, Chul-Soo Kim, Jeong-Woo Kim, and Soo-Joong Kim "Binary phase-based optical encryption system using interferometer", Proc. SPIE 4734, Optical Pattern Recognition XIII, (6 March 2002); https://doi.org/10.1117/12.458402
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KEYWORDS
Image encryption
Binary data
Interferometers
Optical image encryption
Photomasks
Computer security
Computer simulations
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