M. Plavsic, M. Duschl, M. Tönnis, H.Bubb, G. Klinker Ergonomic Design and Evaluation of Augmented Reality Based Cautionary Warnings for Driving Assistance in Urban Environments The 17th World Congress on Ergonomics (International Ergonomics Association, IEA), Beijing, China, Aug. 9 - 14, 2009. (bib)
	This paper covers currently investigated Augmented Reality (AR) applications in cars and examines different frame of reference for indication of occluded objects at intersections as well as differences between contact-analog and unregistered presentation. Four different AR schemes were tested against a baseline at two intersection scenarios implemented in a static driving simulator. In a contrast to studies that document the advantages of contact-analog over unregistered representations for direct indication of hazards, the results of this study show unambiguously that the most preferable schemes for showing occluded objects are schemes giving an overview of the whole situation, followed by a contactanalog annotation symbol.
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