ITSC 2021, 24th IEEE International Conference on Intelligent Transportation Systems, 19-22 September 2021, Indianapolis, IN, USA
Roundabouts are intersections which require understanding the intentions of other road users to be crossed safely. In this paper, we investigate on the nature and variation
of driving risk in roundabouts, to allow connected vehicles to quickly assess a personalized and real-time level of risk associated with crossing a roundabout. First, Time To Collision (TTC) information is extracted from real roundabout vehicle tracks. Then, a supervised machine learning model to assess the probability for a given vehicle to exit the roundabout at the next available exit is trained. Finally, a risk metric is defined based on TTC thresholds and risk probability, which is found to show a strong correlation with the coefficient of variation of TTC values over a roundabout. Once integrated in knowledgecentric frameworks such as Vehicular Knowledge Networking, the obtained risk knowledge has a potential to support driver assistance systems in roundabouts.
Type:
Conférence
City:
Indianapolis
Date:
2021-09-19
Department:
Systèmes de Communication
Eurecom Ref:
6660
Copyright:
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