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Proceedings Paper

The glass dome: low-occlusion obstacle symbols for conformal displays
Author(s): Niklas Peinecke; Alvaro Chignola; Daniela Schmid; Hartmut Friedl
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Paper Abstract

Contemporary helmet mounted displays integrate high-resolution display units together with precise head-tracking solutions. This combination offers the opportunity to show symbols in a conformal way. Conformality here means that a hazard symbol is linked to the outside scenery. Thus, a pilot intuitively understands the connection between the symbol and its corresponding terrain feature, even if the feature is not fully visible due to degraded visual conditions. To accomplish this purpose the symbol has to be sufficiently noticeable in terms of size and brightness. However, this gives rise to the danger that parts of the outside scenery are occluded by the symbol. Furthermore, symbols should not clutter the display, in order not to distract the pilot. We present a solution framework of highlighting obstacles by symbols that balance low occlusion against noticeability. Our concept allows including different representations for individual classes of obstacles in a unified way. We detail the implementation of the display symbols. Finally, we present results of a first acceptance test with pilots.

Paper Details

Date Published: 13 May 2016
PDF: 10 pages
Proc. SPIE 9839, Degraded Visual Environments: Enhanced, Synthetic, and External Vision Solutions 2016, 983907 (13 May 2016); doi: 10.1117/12.2223597
Show Author Affiliations
Niklas Peinecke, Deutsches Zentrum für Luft- und Raumfahrt e.V. (Germany)
Alvaro Chignola, Deutsches Zentrum für Luft- und Raumfahrt e.V. (Germany)
Daniela Schmid, Deutsches Zentrum für Luft- und Raumfahrt e.V. (Germany)
Hartmut Friedl, Deutsches Zentrum für Luft- und Raumfahrt e.V. (Germany)


Published in SPIE Proceedings Vol. 9839:
Degraded Visual Environments: Enhanced, Synthetic, and External Vision Solutions 2016
Jack Sanders-Reed; Jarvis J. Arthur, Editor(s)

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