Pupil Center as a Function of Pupil Diameter

Zaheer Ahmed, Diako Mardanbegi, Dan Witzner Hansen

    Publikation: Konference artikel i Proceeding eller bog/rapport kapitelKonferencebidrag i proceedingsForskningpeer review

    Abstract

    We investigate the gaze estimation error induced by pupil size changes using simulated data. We investigate the influence of pupil diameter changes on estimated gaze point error obtained by two gaze estimation models. Simulation data show that at wider viewing angles and at small eye-camera distances, error increases with increasing pupil sizes. The maximum error recorded for refracted pupil images is 2.4° of visual angle and 1.5° for non-refracted pupil projections.
    OriginalsprogEngelsk
    TitelETRA '16 Proceedings of the Ninth Biennial ACM Symposium on Eye Tracking Research & Applications
    Antal sider4
    ForlagAssociation for Computing Machinery
    Publikationsdato14 mar. 2016
    Sider283-286
    ISBN (Trykt)978-1-4503-4125-7
    DOI
    StatusUdgivet - 14 mar. 2016

    Emneord

    • image processing, eye tracking, gaze estimation, pupildynamics, human computer interaction

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