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Author

Song-An Zhang

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Preprint Sep 2026

RECAST: From Log Replay to Closed-Loop Driving Simulation with View-Complete Actors

Closed-loop driving simulation requires rendered observations to remain reliable as the ego vehicle and surrounding actors move beyond their recorded trajectories, exposing views absent from the source log. Existing data-driven simulators reconstruct dynamic actors from sparse observations, which can result in renderin...

Zi-Jun Zhao, Lie-Wen Liao, Kang Shen et al. · 0 citations
Preprint Aug 2026

RoadWeaver: Large-Scale Lane-Level HD Map Generation from Scratch for Autonomous Driving Simulation

RoadWeaver is presented, a coarse-to-fine framework for from-scratch generation of diverse, large-scale HD maps, which first synthesizes a global road layout, expands it into a connected road network, and then constructs lane-level geometry with topologically consistent lane connectivity.

Yue-Yuan Li, Zexi Chen, Weijie Xi et al. · 1 citation

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