A Particle-Based Collision Probability Estimation Framework for Uncertainty-Aware Risk Evaluation in Autonomous Vehicles

Risk evaluation is a critical task for the safety of autonomous driving systems. A significant factor for evaluating risk is estimating collision probability, as it indicates the rate of exposure to collision events. To obtain an accurate representation of collision probability, possible situational...

Descripción completa

Detalles Bibliográficos
Autores: Hossam, Abdallah, Jiménez-Bermejo, Víctor, Villagra, Jorge, Navas, Francisco, Milanés, Vicente
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2026
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:dnet:digitalcsic_::f5bbbb7a9dc21c73ec404dd92aff4665
Acceso en línea:http://hdl.handle.net/10261/428180
Access Level:acceso abierto
Palabra clave:Safety
autonomous vehicles
particle filter
collision probability
risk
Descripción
Sumario:Risk evaluation is a critical task for the safety of autonomous driving systems. A significant factor for evaluating risk is estimating collision probability, as it indicates the rate of exposure to collision events. To obtain an accurate representation of collision probability, possible situational variations and uncertainty in the autonomous driving system must be considered. However, most existing approaches attempt to find simplified metrics that fail to represent uncertainties effectively. In this paper, a particle-based collision probability estimator is developed. The proposed approach employs a specialized particle system to estimate collision probability while accurately capturing uncertainties in the state space of traffic participants. Its performance, evaluated against a state-of-the-art method across multiple scenarios, demonstrates its ability to effectively capture diverse collision events and represent the underlying uncertainty distribution.