3D and 4D World Modeling: A Survey

arXiv — cs.CVThursday, December 4, 2025 at 5:00:00 AM
  • A comprehensive survey titled '3D and 4D World Modeling' has been published, addressing the critical role of world modeling in AI research. It highlights the need for standardized definitions and taxonomies in the field, focusing on 3D and 4D representations such as RGB-D imagery, occupancy grids, and LiDAR point clouds, which have been underrepresented in previous studies.
  • This development is significant as it aims to unify fragmented research in world modeling, providing clarity and structure that can enhance the understanding and application of AI in dynamic environments. By establishing a clear taxonomy, researchers can better compare methodologies and results, fostering advancements in the field.
  • The survey situates itself within a growing discourse on the importance of accurate environmental modeling in AI, particularly in applications like autonomous driving and robotics. As frameworks like LiDARCrafter and U4D emerge, emphasizing dynamic 4D modeling and uncertainty awareness, the need for comprehensive reviews becomes increasingly apparent, highlighting the evolving landscape of AI technologies.
— via World Pulse Now AI Editorial System

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