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今天的主题是：DriveDreamer4D: World Models Are Effective Data Machines for 4D Driving Scene Representation

Summary

DriveDreamer4D is a novel framework that enhances 4D driving scene representation by leveraging world models. The system uses a world model to synthesize novel trajectory video data, which is then incorporated into a 4D Gaussian Splatting (4DGS) model. The integration of the world model into the 4DGS framework allows for the creation of more realistic and dynamic 4D scenes, particularly when dealing with complex maneuvers like lane changes, acceleration, and deceleration. The authors demonstrate that DriveDreamer4D significantly improves the rendering quality of novel trajectory viewpoints and enhances the spatiotemporal coherence of foreground and background elements in these scenes, leading to more realistic and accurate representations of complex driving scenarios.

原文链接：https://arxiv.org/abs/2410.13571