都在聊轨迹预测，到底如何与自动驾驶结合？

Core Viewpoint - The article emphasizes the significant role of diffusion models in enhancing the capabilities of autonomous driving systems, particularly in data diversity, perception robustness, and decision-making under uncertainty [2][3]. Group 1: Applications of Diffusion Models - Diffusion models improve 3D occupancy prediction, outperforming traditional methods, especially in occluded or low-visibility areas, thus aiding downstream planning tasks [5]. - Conditional diffusion models are utilized for precise image translation in driving scenarios, enhancing system understanding of various road environments [5]. - Stable diffusion models efficiently predict vehicle trajectories, significantly boosting the predictive capabilities of autonomous driving systems [5]. - The DiffusionDrive framework innovatively applies diffusion models to multimodal action distribution, addressing uncertainties in driving decisions [5]. Group 2: Data Generation and Quality - Diffusion models effectively tackle the challenges of insufficient diversity and authenticity in natural driving datasets, providing high-quality synthetic data for autonomous driving validation [5]. - Future explorations will include video generation to further enhance data quality, particularly in 3D data annotation [5]. Group 3: Recent Research Developments - The dual-conditioned temporal diffusion model (DcTDM) generates realistic long-duration driving videos, outperforming existing models by over 25% in consistency and frame quality [7]. - LD-Scene integrates large language models with latent diffusion models for user-controllable adversarial scenario generation, achieving state-of-the-art performance in generating high adversariality and diversity [11]. - DualDiff enhances multi-view driving scene generation through a dual-branch conditional diffusion model, achieving state-of-the-art performance in various downstream tasks [14][34]. Group 4: Traffic Simulation and Scenario Generation - DriveGen introduces a novel traffic simulation framework that generates diverse traffic scenarios, supporting customized designs and improving downstream algorithm performance [26]. - Scenario Dreamer utilizes a vectorized latent diffusion model for generating driving simulation environments, demonstrating superior performance in realism and efficiency [28][31]. - AdvDiffuser generates adversarial safety-critical driving scenarios, enhancing transferability across different systems while maintaining high realism and diversity [68]. Group 5: Safety and Robustness - AVD2 enhances understanding of accident scenarios through the generation of accident videos aligned with natural language descriptions, significantly advancing accident analysis and prevention [39]. - Causal Composition Diffusion Model (CCDiff) improves the generation of closed-loop traffic scenarios by incorporating causal structures, demonstrating enhanced realism and user preference alignment [44].