Optical image encryption based on the multiple-parameter fractional Fourier transform

Tao Ran; Lang Jun; Wang Yue

doi:10.1364/OL.33.000581

Optical image encryption based on the multiple-parameter fractional Fourier transform

Tao Ran^*
, Lang Jun
, Wang Yue

^*Corresponding author for this work

School of Information and Electronics

Beijing Institute of Technology

Research output: Contribution to journal › Article › peer-review

120 Citations (Scopus)

Abstract

A novel image encryption algorithm is proposed based on the multiple-parameter fractional Fourier transform, which is a generalized fractional Fourier transform, without the use of phase keys. The image is encrypted simply by performing a multiple-parameter fractional Fourier transform with four keys. Optical implementation is suggested. The method has been compared with existing methods and shows superior robustness to blind decryption.

Original language	English
Pages (from-to)	581-583
Number of pages	3
Journal	Optics Letters
Volume	33
Issue number	6
DOIs	https://doi.org/10.1364/OL.33.000581
Publication status	Published - 15 Mar 2008

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title = "Optical image encryption based on the multiple-parameter fractional Fourier transform",

abstract = "A novel image encryption algorithm is proposed based on the multiple-parameter fractional Fourier transform, which is a generalized fractional Fourier transform, without the use of phase keys. The image is encrypted simply by performing a multiple-parameter fractional Fourier transform with four keys. Optical implementation is suggested. The method has been compared with existing methods and shows superior robustness to blind decryption.",

author = "Tao Ran and Lang Jun and Wang Yue",

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AB - A novel image encryption algorithm is proposed based on the multiple-parameter fractional Fourier transform, which is a generalized fractional Fourier transform, without the use of phase keys. The image is encrypted simply by performing a multiple-parameter fractional Fourier transform with four keys. Optical implementation is suggested. The method has been compared with existing methods and shows superior robustness to blind decryption.

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DO - 10.1364/OL.33.000581

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JO - Optics Letters

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Optical image encryption based on the multiple-parameter fractional Fourier transform

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