Binocular eye tracking in virtual reality for inspection training

Authors:
Andrew T. Duchowski;Vinay Shivashankaraiah;Tim Rawls;Anand K. Gramopadhye;Brian J. Melloy;Barbara Kanki
Affiliations:
Department of Computer Science, Clemson University;Department of Computer Science, Clemson University;Department of Computer Science, Clemson University;Department of Industrial Engineering, Clemson University;Department of Industrial Engineering, Clemson University;Human Factors Research and Technology Division, NASA Ames Research Center
Venue:
ETRA '00 Proceedings of the 2000 symposium on Eye tracking research & applications
Year:
2000

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Abstract

This paper describes the development of a binocular eye tracking Virtual Reality system for aircraft inspection training. The aesthetic appearance of the environment is driven by standard graphical techniques augmented by realistic texture maps of the physical environment. A “virtual flashlight” is provided to simulate a tool used by inspectors. The user's gaze direction, as well as head position and orientation, are tracked to allow recording of the user's gaze locations within the environment. These gaze locations, or scanpaths, are calculated as gaze/polygon intersections, enabling comparison of fixated points with stored locations of artificially generated defects located in the environment interior. Recorded scanpaths provide a means of comparison of the performance of experts to novices, thereby gauging the effects of training.