Optimization of illumination schemes in a head-mounted display integrated with eye tracking capabilities

Craig W. Pansing; Hong Hua; Jannick P. Rolland

doi:10.1117/12.617937

29 August 2005 Optimization of illumination schemes in a head-mounted display integrated with eye tracking capabilities

Craig W. Pansing, Hong Hua, Jannick P. Rolland

Proceedings Volume 5875, Novel Optical Systems Design and Optimization VIII; 58750I (2005) https://doi.org/10.1117/12.617937
Event: Optics and Photonics 2005, 2005, San Diego, California, United States

Abstract

Head-mounted display (HMD) technologies find a variety of applications in the field of 3D virtual and augmented environments, 3D scientific visualization, as well as wearable displays. While most of the current HMDs use head pose to approximate line of sight, we propose to investigate approaches and designs for integrating eye tracking capability into HMDs from a low-level system design perspective and to explore schemes for optimizing system performance. In this paper, we particularly propose to optimize the illumination scheme, which is a critical component in designing an eye tracking-HMD (ET-HMD) integrated system. An optimal design can improve not only eye tracking accuracy, but also robustness. Using LightTools, we present the simulation of a complete eye illumination and imaging system using an eye model along with multiple near infrared LED (IRLED) illuminators and imaging optics, showing the irradiance variation of the different eye structures. The simulation of dark pupil effects along with multiple 1^st-order Purkinje images will be presented. A parametric analysis is performed to investigate the relationships between the IRLED configurations and the irradiance distribution at the eye, and a set of optimal configuration parameters is recommended. The analysis will be further refined by actual eye image acquisition and processing.

Citation Download Citation

Craig W. Pansing, Hong Hua, and Jannick P. Rolland "Optimization of illumination schemes in a head-mounted display integrated with eye tracking capabilities", Proc. SPIE 5875, Novel Optical Systems Design and Optimization VIII, 58750I (29 August 2005); https://doi.org/10.1117/12.617937

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