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Accuracy and precision of fixation locations recorded with the low-cost Eye Tribe tracker in different experimental setups

Authors
  • Ooms, Kristien
  • Dupont, Lien
  • Lapon, Lieselot
  • Popelka, Stanislav
Publication Date
Jan 01, 2015
Identifiers
DOI: 10.16910/jemr.8.1.5
OAI: oai:archive.ugent.be:8200216
Source
Ghent University Institutional Archive
Keywords
Language
English
License
Green
External links

Abstract

This article compares the accuracy and precision of the low-cost Eye Tribe tracker and a well-established comparable eye tracker: SMI RED 250. Participants were instructed to fixate on predefined point locations on a screen. The accuracy is measured by the distance between the recorded fixation locations and the actual location. Precision is represented by the standard deviation of these measurements. Furthermore, the temporal precision of both eye tracking devices (sampling rate) is evaluated as well. The obtained results illustrate that a correct set-up and selection of software to record and process the data are of utmost importance to obtain acceptable results with the low-cost device. Nevertheless, with careful selections in each of these steps, the quality (accuracy and precision) of the recorded data can be considered comparable.

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