Eye Tracker Development On The Fiber Optic Helmet Mounted Display

Richard M. Robinson; Melvin L. Thomas; Paul A. Wetzel

doi:10.1117/12.960904

5 September 1989 Eye Tracker Development On The Fiber Optic Helmet Mounted Display

Richard M. Robinson, Melvin L. Thomas, Paul A. Wetzel

Proceedings Volume 1116, Helmet-Mounted Displays; (1989) https://doi.org/10.1117/12.960904
Event: SPIE 1989 Technical Symposium on Aerospace Sensing, 1989, Orlando, FL, United States

Abstract

To achieve the full potential of an area-of-interest (A0I) display requires that a high resolution area be accurately aligned with the direction of gaze. Two methods of eye position measurement with the Fiber Optic Helmet Mounted Display (FOHMD) have been developed and are described. This paper describes requirements necessary for successful eye tracking in aircraft simulators and introduces two approaches to monitoring eye position. In order to measure eye position over a wide field of view with sufficient accuracy, the oculometer must be able to measure various types of eye movements and also provide sufficient information to distinguish between eye movements and associated artifacts such as eye blinks and any anomalies introduced by spurious reflections or movement of the oculometer optics relative to the eye. In addition, the device must take into account variations in pupil size caused by changes in scene brightness and distinguish between pupil image displacements caused by actual eye movements or helmet slip. Under development are two oculometers that monitor both the center of the pupillary image and the corneal reflection and which possess both high temporal and spatial resolution.

Citation Download Citation

Richard M. Robinson, Melvin L. Thomas, and Paul A. Wetzel "Eye Tracker Development On The Fiber Optic Helmet Mounted Display", Proc. SPIE 1116, Helmet-Mounted Displays, (5 September 1989); https://doi.org/10.1117/12.960904

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