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Using Illumination Changes to Synchronize Eye Tracking in Visual Paradigms

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Biomedical Engineering Systems and Technologies (BIOSTEC 2014)

Part of the book series: Communications in Computer and Information Science ((CCIS,volume 511))

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Abstract

This paper presents a novel method for synchronizing the recording of a subject’s gaze from an eye tracker (ET) to the display of visual stimuli. The method consists of embedding a signal used as a common time base in a small area of the visual stimuli, measuring this signal with an optical detector attached to the presentation screen, and modulating the global illumination used by the eye tracker synchronously to this measured signal. The timing signal generated with this method can be used to synchronize other data sources, such as electroencephalography (EEG) to the presentation of the visual stimuli as well. The prototype system where this method was implemented achieved a single sample of jitter for both the EEG and ET data.

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Acknowledgements

This work was partly supported by the Sino-Danish Center for Education and Research (SDC).

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Authors and Affiliations

  1. Department of Engineering, Aarhus University, Aarhus, Denmark

    Daniel Siboska & Henrik Karstoft

Authors
  1. Daniel Siboska
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  2. Henrik Karstoft
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Corresponding author

Correspondence to Daniel Siboska .

Editor information

Editors and Affiliations

  1. ESEO, ANGERS CEDEX 02, France

    Guy Plantier

  2. Cognitive Systems Lab., Karlsruhe Institute of Technology, Karlsruhe, Baden-Württemberg, Germany

    Tanja Schultz

  3. Technical University of Lisbon, Lisbon, Portugal

    Ana Fred

  4. New University of Lisbon, Lisboa, Portugal

    Hugo Gamboa

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Siboska, D., Karstoft, H. (2015). Using Illumination Changes to Synchronize Eye Tracking in Visual Paradigms. In: Plantier, G., Schultz, T., Fred, A., Gamboa, H. (eds) Biomedical Engineering Systems and Technologies. BIOSTEC 2014. Communications in Computer and Information Science, vol 511. Springer, Cham. https://doi.org/10.1007/978-3-319-26129-4_19

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  • DOI: https://doi.org/10.1007/978-3-319-26129-4_19

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-26128-7

  • Online ISBN: 978-3-319-26129-4

  • eBook Packages: Computer ScienceComputer Science (R0)

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