arXiv Machine Learning By Haopeng Deng, Thomas He, Dayuan Wang

FLAT: Smoothing the Rugged Landscape for Learnable, Sample-Efficient Traffic Calibration

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FLAT is a method for calibrating microscopic traffic models that smooths the rugged parameter-error landscape using an eight‑dimensional behavioral fingerprint, enabling learnable objectives from only a few dozen simulation runs. It couples this smoothed objective with an annealed lower‑confidence‑bound acquisition strategy to allocate remaining simulation budget efficiently. Across six real‑world scenes, FLAT‑GP outperforms several baselines, achieving the lowest behavioral error with a matched simulation budget.

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arXiv AI
Sep 10

Closed-Loop Evaluation of Bird's-Eye-View Maps from Cross-View Transformers as Inputs to Behavior-Cloning Policies

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By Felipe Carlos dos Santos, Eric Antonelo, Gustavo Claudio Karl Couto
arXiv AI
Jul 15

TerraZero: Procedural Driving Simulation for Zero-Demonstration Self-Play at Scale

arXiv:2607. 13028v1 Announce Type: cross Abstract: Training robust autonomous driving agents requires a simulator that is fast enough for reinforcement learning at scale, realistic enough to ground behavior in real-world map structure, and diverse enough to cover the safety-critical long tail that logged data rarely contains.

By Zhouchonghao Wu, Akshay Rangesh, Weixin Li, Wei-Jer Chang, Zachary Lee, Tim Wang, Wei Zhan
arXiv AI
Sep 2

CoLT-Drive: Counterfactual Long-Tail Benchmarking and Knowledge-Preserving Adaptation for Driving Affordance Prediction

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By Zhengxu Tang, Guofeng Cui, Ziyu Gong, Xiaozhou Zhang, Ruifeng Deng, Chengzhi Qi, Ke Chen, Sachin Patil, Tianjun Xiao, Langechuan Liu, Pichao Wang