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Proceedings Paper

Eyebox centering using chromatic aberrations of virtual reality head-mounted displays
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Paper Abstract

We demonstrate that transverse chromatic aberration (TCA) measurements can be used to determine the eyebox of a virtual reality head-mounted display using a digital test pattern, which consists of red, green, and blue bars placed horizontally and vertically at ±5°, ±10°, ±15° in the field of view. The pattern also features a white cross in the center of the field of view to determine the horizontal and vertical resolution. This provides simultaneous measurements of the TCAs and resolution for a given position of the camera in the eyebox. A map of the eyebox was generated by raster-scanning the position of the camera over the eyebox. The results for the Oculus Rift show that resolution has approximately a quadratic dependence on the position in the eyebox whereas the response to TCAs is linear. Therefore, TCA provides a more sensitive eyebox measurement at small displacements allowing for repeatable centering within 0.5 mm.

Paper Details

Date Published: 19 February 2020
PDF: 6 pages
Proc. SPIE 11310, Optical Architectures for Displays and Sensing in Augmented, Virtual, and Mixed Reality (AR, VR, MR), 1131009 (19 February 2020); doi: 10.1117/12.2543257
Show Author Affiliations
Ryan Beams, U.S. Food and Drug Administration (United States)
Andrea S. Kim, U.S. Food and Drug Administration (United States)
Aldo Badano, U.S. Food and Drug Administration (United States)


Published in SPIE Proceedings Vol. 11310:
Optical Architectures for Displays and Sensing in Augmented, Virtual, and Mixed Reality (AR, VR, MR)
Bernard C. Kress; Christophe Peroz, Editor(s)

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