Search Results for author: Wei-Jer Chang

Found 3 papers, 0 papers with code

Controllable Safety-Critical Closed-loop Traffic Simulation via Guided Diffusion

no code implementations31 Dec 2023 Wei-Jer Chang, Francesco Pittaluga, Masayoshi Tomizuka, Wei Zhan, Manmohan Chandraker

These findings affirm that guided diffusion models provide a robust and versatile foundation for safety-critical, interactive traffic simulation, extending their utility across the broader landscape of autonomous driving.

Autonomous Driving Denoising

Editing Driver Character: Socially-Controllable Behavior Generation for Interactive Traffic Simulation

no code implementations24 Mar 2023 Wei-Jer Chang, Chen Tang, Chenran Li, Yeping Hu, Masayoshi Tomizuka, Wei Zhan

To ensure that autonomous vehicles take safe and efficient maneuvers in different interactive traffic scenarios, we should be able to evaluate autonomous vehicles against reactive agents with different social characteristics in the simulation environment.

Autonomous Driving

Analyzing and Enhancing Closed-loop Stability in Reactive Simulation

no code implementations9 Aug 2022 Wei-Jer Chang, Yeping Hu, Chenran Li, Wei Zhan, Masayoshi Tomizuka

In this paper, we aim to provide a thorough stability analysis of the reactive simulation and propose a solution to enhance the stability.

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