Probabilistic Decision-Making at Road Intersections: Formulation and Quantitative Evaluation

Mathieu Barbier 1 Christian Laugier 1 Olivier Simonin 1 Javier Ibañez-Guzmán 2
1 CHROMA - Robots coopératifs et adaptés à la présence humaine en environnements dynamiques
Inria Grenoble - Rhône-Alpes, CITI - CITI Centre of Innovation in Telecommunications and Integration of services
Abstract : As drivers approach a road intersection, they must decide whether to cross it or to come to a stop. For this purpose, drivers make a situation assessment and adapt their behaviour accordingly. When this task is performed by a computer, the available information is partial and uncertain. Any decision requires the system to use this information as well as taking into account the behaviour of other drivers to avoid collisions. However, metrics such as collision rate can remain low in an interactive environment because of other driver’s actions. Consequently, evaluation metrics must depend on other driving aspects. In this paper a decision-making mechanism and metrics to evaluate such a system at road intersection crossing are presented. For the former, a Partially Observable Markov Decision Process is used to model the system with respect to uncertainties in the behaviour of other drivers. For the latter, different key performance indicators are defined to evaluate the resulting behaviour of the system with different configurations and scenarios. The approach is demonstrated within an automotive grade simulator. It has showed at times, that whilst the vehicle can cross safely the intersection, it might not satisfy other key performance indicators related to highway code.
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https://hal.inria.fr/hal-01940392
Contributor : Mathieu Barbier <>
Submitted on : Friday, November 30, 2018 - 11:30:27 AM
Last modification on : Tuesday, November 19, 2019 - 11:36:04 AM
Long-term archiving on: Friday, March 1, 2019 - 2:05:37 PM

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Mathieu Barbier, Christian Laugier, Olivier Simonin, Javier Ibañez-Guzmán. Probabilistic Decision-Making at Road Intersections: Formulation and Quantitative Evaluation. ICARCV 2018 - 15 th International Conference on Control, Automation, Robotics and Vision, Nov 2018, Singapour, Singapore. pp.1-8. ⟨hal-01940392⟩

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