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7 June 1996 Helmet-display resident target locator line symbology: an evaluation of vector length depiction
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Abstract
The helmet resident locator line with a look-to orientation is designed to guide the user's line- of-sight (LOS) to a specific point-of-interest (POI) in space. The locator line is used to indicate the relative position of a POI within the sensor field-of-regard but beyond the display field-of- view (FOV). The distance the LOS must traverse in order to bring the POI within the display FOV is called vector length. The present study was conducted to investigate the effects of different locator line vector length symbology approaches on search and tracking performance. Five candidate symbologies were formed by varying their static and dynamic features. The locator lines were compared using both static interpretation and dynamic tracking tasks. Recommendations for the use of specific symbology features are made.
© (1996) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Eric E. Geiselman and Brian H. Tsou "Helmet-display resident target locator line symbology: an evaluation of vector length depiction", Proc. SPIE 2735, Head-Mounted Displays, (7 June 1996); https://doi.org/10.1117/12.241897
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