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Real-time gaze-tracking for freely-moving observers

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Herholz,  S
Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Tanner,  TG
Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Canto-Pereira,  LH
Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Fleming,  RW
Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Bülthoff,  HH
Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Citation

Herholz, S., Tanner, T., Canto-Pereira, L., Fleming, R., & Bülthoff, H. (2006). Real-time gaze-tracking for freely-moving observers. Talk presented at 14th European Conference on Eye Movements (ECEM 2007). Potsdam, Germany. 2006-08-19 - 2006-08-23.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0013-CC6D-F
Abstract
We have developed a real-time mobile gaze-tracker, by combining a high-speed eye-tracker (Eyelink II, 500Hz) with head- and body-tracking (VICON, 200Hz). The position of the observer’s gaze on the screen can be measured continuously with an accuracy of <1.0 deg as they walk around and make head movements in a natural way. The system is modular, i.e. individual components can be easily replaced (e.g., different eye and head tracking systems can be used). The system is primarily developed for interaction in front of wall-sized displays. For validation, the system has been tested with displays of different sizes (from 2.2x1.8m to 5.2x2.5m), and several applications, including psychophysical experiments and a multiresolution gaze-contingent display.