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Proceedings Paper

Laboratory system for the evaluation of helmet-mounted displays
Author(s): Howard H Beasley; Thomas H Harding; John S Martin; Clarence E. Rash
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Paper Abstract

The evaluation of helmet-mounted displays (HMDs) consists of optical, photometric, photographic and system performance tests that involve proper positioning and alignment of measuring tools with respect to the HMD. Evaluations are generally time consuming and involve days of meticulous testing. To shorten the time required to evaluate an HMD, we have developed a laboratory system where the positioning and alignment requirements for each test are accomplished in one step. Further, the system allows for the interchange of measuring instruments so that proper alignment is achieved as soon as the measuring instrument is mounted. In practice, the system has shortened the time required to evaluate an HMD by about 60%. The system allows for ease of position anywhere within the HMD's field-of-view (FOV). A key characteristic of the system is that the entrance pupil of the evaluation system is collocated with the HMD's exit pupil.

Paper Details

Date Published: 8 September 2004
PDF: 9 pages
Proc. SPIE 5442, Helmet- and Head-Mounted Displays IX: Technologies and Applications, (8 September 2004); doi: 10.1117/12.543375
Show Author Affiliations
Howard H Beasley, UES, Inc. (United States)
Thomas H Harding, UES, Inc. (United States)
John S Martin, UES, Inc. (United States)
Clarence E. Rash, U.S. Army Aeromedical Research Lab. (United States)


Published in SPIE Proceedings Vol. 5442:
Helmet- and Head-Mounted Displays IX: Technologies and Applications
Clarence E. Rash; Colin E. Reese, Editor(s)

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