MURAL - Maynooth University Research Archive Library



    Image encryption and the fractional Fourier transform


    Hennelly, Bryan M. and Sheridan, J. T. (2003) Image encryption and the fractional Fourier transform. Optik, 114 (6). pp. 251-265. ISSN 0030-4026

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    Abstract

    A number of method have been recently proposed in the literature for the encryption of 2-D information using optical systems based on the fractional Fourier fransform, FRT. In this paper a brief review of the methods proposed to date is presented. A measure of the strength/robustness of the level of encryption of the various techniques is proposed and a comparison is carried out between the methods. Optical implementations are discussed. Robustness of system with respect to misalignment and blind decryption are also discussed.

    Item Type: Article
    Additional Information: The authors would like to acknowledge the support of Enterprise Ireland through the Research Innovation Fund.
    Keywords: Fractional Fourier transform; optical image encryption; random phase mask; optical security;
    Academic Unit: Faculty of Science and Engineering > Computer Science
    Faculty of Science and Engineering > Electronic Engineering
    Item ID: 5809
    Depositing User: Dr. Bryan Hennelly
    Date Deposited: 10 Feb 2015 15:42
    Journal or Publication Title: Optik
    Publisher: Urban & Fischer Verlag
    Refereed: Yes
    Funders: Enterprise Ireland (EI)
    URI:

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