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Chair for Computer Aided Medical Procedures & Augmented Reality
Lehrstuhl für Informatikanwendungen in der Medizin & Augmented Reality

S. Nestler, M. Duschl, D. Popiv, M. Rakic, G. Klinker
Concept for visualizing concealed objects to improve the driver’s anticipation
17th World Congress on Ergonomics (IEA 2009) (bib)

Current advanced driver assistance systems (e.g. Emergency Brake Assistance, Lane Departure Warning, Lane Keeping Assistance, Traffic Sign Assistance and Blind Spot Detection) assist the driver in reacting to time-critical and unstable situations in a proper way. However, the anticipation of situations which are lying in the farer future is currently left primarily to the driver. In this paper, we present visualization concepts for concealed objects in order to support smart deceleration. Smart deceleration requires the anticipation of future traffic condition and the assistance of the driver in performing deceleration phases efficiently. In addition, safety is increased by reduction of potential criticality through the early deceleration phase. We have identified and categorized situations in which a broader anticipation is possible: situations with permanent obstacles, situations with temporarily stopped vehicles and situations with slower driving vehicles. An important issue when presenting information to the driver is the identification of the most suitable perspective. For visualizing the traffic situation in the surroundings of the driver's car we established a {\em virtual bird-eye perspective (VBEP)}, showing the traffic scene from a 3D viewpoint that is slightly raised above the driver and rigidly tethered to the car. This VBEP is a powerful concept to draw the driver's attention to situations in the further future. On the basis of this concept we developed different visualizations and integrated them in the digital instrument cluster between the speedometer and the revolution counter.
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