DriveDreamer-2: LLM-Enhanced World Models for Diverse Driving Video Generation

• URL: http://arxiv.org/abs/2403.06845v2
• Date: Thu, 11 Apr 2024 04:17:13 GMT
• Title: DriveDreamer-2: LLM-Enhanced World Models for Diverse Driving Video Generation
• Authors: Guosheng Zhao, Xiaofeng Wang, Zheng Zhu, Xinze Chen, Guan Huang, Xiaoyi Bao, Xingang Wang,
• Abstract summary: We propose DriveDreamer-2, which builds upon the framework of DriveDreamer to generate user-defined driving videos. Ultimately, we propose the Unified Multi-View Model to enhance temporal and spatial coherence in the generated driving videos.
• Score: 32.30436679335912
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: World models have demonstrated superiority in autonomous driving, particularly in the generation of multi-view driving videos. However, significant challenges still exist in generating customized driving videos. In this paper, we propose DriveDreamer-2, which builds upon the framework of DriveDreamer and incorporates a Large Language Model (LLM) to generate user-defined driving videos. Specifically, an LLM interface is initially incorporated to convert a user's query into agent trajectories. Subsequently, a HDMap, adhering to traffic regulations, is generated based on the trajectories. Ultimately, we propose the Unified Multi-View Model to enhance temporal and spatial coherence in the generated driving videos. DriveDreamer-2 is the first world model to generate customized driving videos, it can generate uncommon driving videos (e.g., vehicles abruptly cut in) in a user-friendly manner. Besides, experimental results demonstrate that the generated videos enhance the training of driving perception methods (e.g., 3D detection and tracking). Furthermore, video generation quality of DriveDreamer-2 surpasses other state-of-the-art methods, showcasing FID and FVD scores of 11.2 and 55.7, representing relative improvements of 30% and 50%.

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