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Scalable End-to-End Autonomous Vehicle Testing via Rare-event Simulation

NeurIPS 2018 · Probabilistic and scientific modeling › Molecules and proteins · approach: Machine learning for physical simulation · 39 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use adaptive cross-entropy importance sampling instead of naive Monte CarloRare-event evaluation in the highway simulator · Multi-agent highwayrare-event samples: 2-20 timesHelped
Use cross-entropy importance sampling with ρ=0.01 instead of naive Monte CarloNon-vision ego-vehicle policy · Multi-agent highwaydangerous scenarios sampled: 3-10 timesHelped
Use cross-entropy importance sampling with ρ=0.01 instead of naive Monte CarloNon-vision ego-vehicle policy · Multi-agent highwayvariance reduction: 2-16 times variance reductionHelped
Use cross-entropy importance sampling instead of naive Monte CarloVision-based ego-vehicle policy · Multi-agent highwaydangerous scenarios sampled: up to 18 timesHelped
Decrease the quantile level ρ toward 0 (ablation)Cross-entropy importance sampler · Non-vision ego-vehicle policy, multiple test thresholdsrare-event sampling frequency: 3-10 timesHelped
Select the iterate with the lowest ρ-quantile rather than the last iterate or Polyak averaging (ablation)Cross-entropy importance sampler · Rare-event evaluationperformanceHelped
Reduce the per-iteration sample count to 100 (ablation)Vision-policy cross-entropy importance sampler · Multi-agent highway, vision policydangerous-scenario sampling behaviorNo clear effect

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