LibGaze: Real-time gaze-tracking of freely moving observers for wall-sized 
displays

Herholz, S; Chuang, LL; Tanner, TG; Bülthoff, HH; Fleming, RW

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LibGaze: Real-time gaze-tracking of freely moving observers for wall-sized displays

Herholz, S., Chuang, L., Tanner, T., Bülthoff, H., & Fleming, R. (2008). LibGaze: Real-time gaze-tracking of freely moving observers for wall-sized displays. In O. Deussen, & D. Keim (Eds.), Vision, modeling, and visualization 2008 (pp. 101-110). Heidelberg, Germany: Akademische Verlags-Gesellschaft AKA.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0013-C6C5-E Version Permalink: https://hdl.handle.net/21.11116/0000-0003-37E5-D

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Creators:
Herholz, S^{1, 2}, Author
Chuang, LL^{1, 2}, Author
Tanner, TG^{1, 2}, Author
Bülthoff, HH^{1, 2}, Author
Fleming, RW^{1, 2, 3}, Author

Affiliations:
1Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497797
2Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497794
3Research Group Computational Vision and Neuroscience, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497805

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Abstract: We present a mobile system for tracking the gaze of an observer in real-time as they move around freely and interact with a wall-sized display. The system
combines a head-mounted eye tracker with a mo-
tion capture system for tracking markers attached
to the eye tracker. Our open-source software library
libGaze provides routines for calibrating the sys-
tem and computing the viewers position and gaze
direction in real-time. The modular architecture of
our system supports simple replacement of each of
the main components with alternative technology.
We use the system to perform a psychophysical
user-study, designed to measure how users visually
explore large displays. We find that observers use
head move- ments during gaze shifts, even when
these are well within the range that can be com-
fortably reached by eye movements alone. This
suggests that free movement is important in nor-
mal gaze behaviour,motivating further applications
in which the tracked user is free to move.

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Dates: Date issued: 2008-10

Publication Status: Issued

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Identifiers: BibTex Citekey: 5470

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Title: 13th International Fall Workshop on Vision, Modeling, and Visualization (VMV 2008)

Place of Event: Konstanz, Germany

Start-/End Date: 2008-10-08 - 2008-10-10

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Title: Vision, modeling, and visualization 2008

Source Genre: Proceedings

Creator(s):
Deussen, O, Editor
Keim, D, Editor

Affiliations:
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Publ. Info: Heidelberg, Germany : Akademische Verlags-Gesellschaft AKA

Pages: 414 Volume / Issue: - Sequence Number: - Start / End Page: 101 - 110 Identifier: ISBN: 978-1-58603-921-9