DiffRoad: Realistic and Diverse Road Scenario Generation for Autonomous Vehicle Testing

• URL: http://arxiv.org/abs/2411.09451v1
• Date: Thu, 14 Nov 2024 13:56:02 GMT
• Title: DiffRoad: Realistic and Diverse Road Scenario Generation for Autonomous Vehicle Testing
• Authors: Junjie Zhou, Lin Wang, Qiang Meng, Xiaofan Wang,
• Abstract summary: DiffRoad is a novel diffusion model designed to produce controllable and high-fidelity 3D road scenarios. Road-UNet architecture optimize the balance between backbone and skip connections for high-realism scenario generation. generated scenarios can be fully automated into the OpenDRIVE format.
• Score: 12.964224581549281
• License:
• Abstract: Generating realistic and diverse road scenarios is essential for autonomous vehicle testing and validation. Nevertheless, owing to the complexity and variability of real-world road environments, creating authentic and varied scenarios for intelligent driving testing is challenging. In this paper, we propose DiffRoad, a novel diffusion model designed to produce controllable and high-fidelity 3D road scenarios. DiffRoad leverages the generative capabilities of diffusion models to synthesize road layouts from white noise through an inverse denoising process, preserving real-world spatial features. To enhance the quality of generated scenarios, we design the Road-UNet architecture, optimizing the balance between backbone and skip connections for high-realism scenario generation. Furthermore, we introduce a road scenario evaluation module that screens adequate and reasonable scenarios for intelligent driving testing using two critical metrics: road continuity and road reasonableness. Experimental results on multiple real-world datasets demonstrate DiffRoad's ability to generate realistic and smooth road structures while maintaining the original distribution. Additionally, the generated scenarios can be fully automated into the OpenDRIVE format, facilitating generalized autonomous vehicle simulation testing. DiffRoad provides a rich and diverse scenario library for large-scale autonomous vehicle testing and offers valuable insights for future infrastructure designs that are better suited for autonomous vehicles.

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