Visual perceptual issues of the integrated helmet and display sighting system (IHADSS): four expert perspectives

Clarence E. Rash; Kevin Heinecke; Gregory Francis; Keith L. Hiatt

doi:10.1117/12.769524

14 April 2008 Visual perceptual issues of the integrated helmet and display sighting system (IHADSS): four expert perspectives

Clarence E. Rash, Kevin Heinecke, Gregory Francis, Keith L. Hiatt

Author Affiliations +

Proceedings Volume 6955, Head- and Helmet-Mounted Displays XIII: Design and Applications; 69550D (2008) https://doi.org/10.1117/12.769524
Event: SPIE Defense and Security Symposium, 2008, Orlando, Florida, United States

Abstract

The Integrated Helmet and Display Sighting System (IHADSS) helmet-mounted display (HMD) has been flown for over a quarter of a century on the U.S. Army's AH-64 Apache Attack Helicopter. The aircraft's successful deployment in both peacetime and combat has validated the original design concept for the IHADSS HMD. During its 1970s development phase, a number of design issues were identified as having the potential of introducing visual perception problems for aviators. These issues include monocular design, monochromatic imagery, reduced field-of-view (FOV), sensor spectrum, reduced resolution (effective visual acuity), and displaced visual input eye point. From their diverse perspectives, a panel of four experts - an HMD researcher, a cognitive psychologist, a flight surgeon, and a veteran AH-64 aviator - discuss the impact of the design issues on visual perception and related performance.

Citation Download Citation

Clarence E. Rash, Kevin Heinecke, Gregory Francis, and Keith L. Hiatt "Visual perceptual issues of the integrated helmet and display sighting system (IHADSS): four expert perspectives", Proc. SPIE 6955, Head- and Helmet-Mounted Displays XIII: Design and Applications, 69550D (14 April 2008); https://doi.org/10.1117/12.769524

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