Belief-Space Residual Risk for Automated Driving under Localization Uncertainty

• URL: http://arxiv.org/abs/2605.12710v1
• Date: Tue, 12 May 2026 20:16:52 GMT
• Title: Belief-Space Residual Risk for Automated Driving under Localization Uncertainty
• Abstract summary: Residual risk metrics have been introduced to assess the safety implications of automated driving systems.<n>This work extends the spatial residual risk formulation to the belief space by explicitly modeling ego pose uncertainty as a Gaussian distribution.<n>Within a particle-based risk estimation framework, localization uncertainty is incorporated into the computation of collision probabilities.
• Score: 0.0
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: Residual risk metrics have recently been introduced to assess the safety implications of automated driving systems. Existing approaches typically assume a deterministic ego pose and concentrate mainly on perception errors related to surrounding objects and latency effects. In practice, however, automated vehicles operate under considerable localization uncertainty, especially in complex urban settings and in adverse weather conditions. This work extends the spatial residual risk formulation to the belief space by explicitly modeling ego pose uncertainty as a Gaussian distribution. Residual risk is reformulated as the expected degradation-induced risk over the ego pose belief distribution. Within a particle-based risk estimation framework, localization uncertainty is incorporated into the computation of collision probabilities through covariance fusion of ego and object uncertainties.

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