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    Motion detection, the Wigner distribution function, and the optical fractional Fourier transform


    Sheridan, John T. and Hennelly, Bryan M. and Kelly, Damien P. (2003) Motion detection, the Wigner distribution function, and the optical fractional Fourier transform. Optics Letters, 28 (11). pp. 884-886. ISSN 0146-9592

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    Abstract

    It is shown that both surface tilting and translational motion can be independently estimated by use of the speckle photographic technique by capturing consecutive images in two different fractional Fourier domains. A geometric interpretation, based on use of the Wigner distribution function, is presented to describe this application of the optical fractional Fourier transform when little prior information is known about the motion.

    Item Type: Article
    Keywords: Motion detection; Wigner distribution function; optical fractional Fourier transform;
    Academic Unit: Faculty of Science and Engineering > Computer Science
    Faculty of Science and Engineering > Electronic Engineering
    Faculty of Science and Engineering > Research Institutes > Hamilton Institute
    Item ID: 8733
    Identification Number: https://doi.org/10.1364/OL.28.000884
    Depositing User: Dr. Bryan Hennelly
    Date Deposited: 05 Sep 2017 16:22
    Journal or Publication Title: Optics Letters
    Publisher: Optical Society of America
    Refereed: Yes
    Funders: Enterprise Ireland
    URI:

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