works on

From the 1 of 6 linked papers with an AI index.

collaborators

6 papers

cs.LG2026

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

Zhouchonghao Wu, Akshay Rangesh, Weixin Li +5

TerraZero is a procedural driving simulator that enables large-scale, zero‑demonstration self‑play reinforcement learning for autonomous driving, achieving high simulation speed an…

cs.CV2026

ECoSim: Data Efficient Fine-Tuning for Controllable Traffic Simulation

Yu-Hsiang Chen, Wei-Jer Chang, Yi-Ting Chen +1

Controllable traffic simulation is critical for testing autonomous driving systems, yet existing approaches often require retraining large generative models with extensive annotate…

cs.CV2026

Learning to Drive is a Free Gift: Large-Scale Label-Free Autonomy Pretraining from Unposed In-The-Wild Videos

Matthew Strong, Wei-Jer Chang, Quentin Herau +4

Ego-centric driving videos available online provide an abundant source of visual data for autonomous driving, yet their lack of annotations makes it difficult to learn representati…

cs.RO2026

HetroD: A High-Fidelity Drone Dataset and Benchmark for Autonomous Driving in Heterogeneous Traffic

Yu-Hsiang Chen, Wei-Jer Chang, Christian Kotulla +7

We present HetroD, a dataset and benchmark for developing autonomous driving systems in heterogeneous environments. HetroD targets the critical challenge of navi- gating real-world…

cs.LG2026

SPACeR: Self-Play Anchoring with Centralized Reference Models

Wei-Jer Chang, Akshay Rangesh, Kevin Joseph +4

Developing autonomous vehicles (AVs) requires not only safety and efficiency, but also realistic, human-like behaviors that are socially aware and predictable. Achieving this requi…

cs.LG2025

LANGTRAJ: Diffusion Model and Dataset for Language-Conditioned Trajectory Simulation

Wei-Jer Chang, Wei Zhan, Masayoshi Tomizuka +2

Evaluating autonomous vehicles with controllability enables scalable testing in counterfactual or structured settings, enhancing both efficiency and safety. We introduce LangTraj,…