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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 13th International Fall Workshop on Vision, Modeling, and Visualization (VMV 2008) (pp. 101-110). Amsterdam, Netherlands: IOS Press.

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 Creators:
Herholz, S1, Author           
Chuang, LL1, Author           
Tanner, TG1, Author           
Bülthoff, HH1, Author           
Fleming, RW1, 2, Author           
Deussen D. Keim, O., Editor
Affiliations:
1Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497797              
2Research 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 viewer’s 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: 2008-10
 Publication Status: Issued
 Pages: -
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 Rev. Type: -
 Identifiers: URI: http://www.inf.uni-konstanz.de/vmv/
BibTex Citekey: 5470
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Title: 13th International Fall Workshop on Vision, Modeling, and Visualization (VMV 2008)
Place of Event: Konstanz, Germany
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Title: 13th International Fall Workshop on Vision, Modeling, and Visualization (VMV 2008)
Source Genre: Proceedings
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Publ. Info: Amsterdam, Netherlands : IOS Press
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 101 - 110 Identifier: -