NDLI: Attention Tunneling: Effects of Limiting Field of View Due to Beam Combiner Frame of Head-Up Display

Content Provider	IEEE Xplore Digital Library
Author	Karar, V. Ghosh, S.
Copyright Year	2005
Abstract	Head-up displays (HUDs) have become an integral part of the fighter aircraft and are now becoming increasingly popular in various nonmilitary sectors also. It enhances the pilot's performance by providing him with all of the flight, aircraft, target, and weapon data in collimated fashion superimposed on his forward view. The collimation of HUD symbology and infrared raster image removes requirement of refocusing eyes on outside events. However, there are attention capture and cognitive tunneling issues related with usage of HUD in aircraft. In this paper, effect of obstruction due to beam combiner frame in form of misaccommodation, misconvergence, and limited horizontal field of view (FOV) on attention capture of aircraft pilot has been presented. While the beam combiner frame is necessary to hold wavelength selective glasses, they provide obscuration in forward view of pilot in both, total field of view (TFOV) as well as instantaneous field of view (IFOV). Angle of combiner frame structure and its width present different degrees of obscuration to the pilot within the head motion box (HMB). These limitations cause inappropriate distribution of pilot's attention on outside events and aircraft events, as he has to adjust his head position to view the obscured part of outside world. This forces him to focus his attention more on outside events which may make him miss some event on HUD symbology. The study and experimental results have been presented in detail to corroborate this fact.
Sponsorship	IEEE Lasers and Electro-Optics Society Optical Society of America
Starting Page	582
Ending Page	589
Page Count	8
File Size	1123366
File Format	PDF
ISSN	1551319X
Volume Number	10
Issue Number	7
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-01-01
Publisher Place	U.S.A.
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Glass Aircraft Tunneling Visualization Event detection Instruments Educational institutions head-up display (HUD) Attention capture beam combiner frame cognitive tunneling field of view (FOV)
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
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