Journal
OPTICS COMMUNICATIONS
Volume 255, Issue 4-6, Pages 357-365Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.optcom.2005.06.031
Keywords
fractional Fourier transform; discrete random transform; cryptography; image encryption and decryption
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We propose a discrete fractional random transform based on a generalization of the discrete fractional Fourier transform with an intrinsic randomness. Such discrete fractional random transform inheres excellent mathematical properties of the fractional Fourier transform along with some fantastic features of its own. As a primary application, the discrete fractional random transform has been used for image encryption and decryption. (c) 2005 Elsevier B.V. All rights reserved.
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