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Statistical Threat Assessment for General Road Scenes using Monte Carlo Sampling
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
National ICT Australia Ltd, Australia.
2008 (English)In: IEEE transactions on intelligent transportation systems (Print), ISSN 1524-9050, E-ISSN 1558-0016, Vol. 9, no 1, 137-147 p.Article in journal (Refereed) Published
Abstract [en]

This paper presents a threat-assessment algorithm for general road scenes. A road scene consists of a number of objects that are known, and the threat level of the scene is based on their current positions and velocities. The future driver inputs of the surrounding objects are unknown and are modeled as random variables. In order to capture realistic driver behavior, a dynamic driver model is implemented as a probabilistic prior, which computes the likelihood of a potential maneuver. A distribution of possible future scenarios can then be approximated using a Monte Carlo sampling. Based on this distribution, different threat measures can be computed, e.g., probability of collision or time to collision. Since the algorithm is based on the Monte Carlo sampling, it is computationally demanding, and several techniques are presented to increase performance without increasing computational load. The algorithm is intended both for online safety applications in a vehicle and for offline data analysis.

Place, publisher, year, edition, pages
2008. Vol. 9, no 1, 137-147 p.
Keyword [en]
Decision making, Monte Carlo, Road vehicle safety, Threat assessment
National Category
Control Engineering
URN: urn:nbn:se:liu:diva-45907DOI: 10.1109/TITS.2007.909241OAI: diva2:266803
Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2013-07-23

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Eidehall, Andreas
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Automatic ControlThe Institute of Technology
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ReferencesLink to record
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