Reconstructing 4D Spatial Intelligence: A Survey
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arXiv
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| Main Authors: | , , , , , , , , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866911087817916416 |
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| author | Cao, Yukang Lu, Jiahao Huang, Zhisheng Shen, Zhuowen Zhao, Chengfeng Hong, Fangzhou Chen, Zhaoxi Li, Xin Wang, Wenping Liu, Yuan Liu, Ziwei |
| author_facet | Cao, Yukang Lu, Jiahao Huang, Zhisheng Shen, Zhuowen Zhao, Chengfeng Hong, Fangzhou Chen, Zhaoxi Li, Xin Wang, Wenping Liu, Yuan Liu, Ziwei |
| contents | Reconstructing 4D spatial intelligence from visual observations has long been a central yet challenging task in computer vision, with broad real-world applications. These range from entertainment domains like movies, where the focus is often on reconstructing fundamental visual elements, to embodied AI, which emphasizes interaction modeling and physical realism. Fueled by rapid advances in 3D representations and deep learning architectures, the field has evolved quickly, outpacing the scope of previous surveys. Additionally, existing surveys rarely offer a comprehensive analysis of the hierarchical structure of 4D scene reconstruction. To address this gap, we present a new perspective that organizes existing methods into five progressive levels of 4D spatial intelligence: (1) Level 1 -- reconstruction of low-level 3D attributes (e.g., depth, pose, and point maps); (2) Level 2 -- reconstruction of 3D scene components (e.g., objects, humans, structures); (3) Level 3 -- reconstruction of 4D dynamic scenes; (4) Level 4 -- modeling of interactions among scene components; and (5) Level 5 -- incorporation of physical laws and constraints. We conclude the survey by discussing the key challenges at each level and highlighting promising directions for advancing toward even richer levels of 4D spatial intelligence. To track ongoing developments, we maintain an up-to-date project page: https://github.com/yukangcao/Awesome-4D-Spatial-Intelligence. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2507_21045 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Reconstructing 4D Spatial Intelligence: A Survey Cao, Yukang Lu, Jiahao Huang, Zhisheng Shen, Zhuowen Zhao, Chengfeng Hong, Fangzhou Chen, Zhaoxi Li, Xin Wang, Wenping Liu, Yuan Liu, Ziwei Computer Vision and Pattern Recognition Reconstructing 4D spatial intelligence from visual observations has long been a central yet challenging task in computer vision, with broad real-world applications. These range from entertainment domains like movies, where the focus is often on reconstructing fundamental visual elements, to embodied AI, which emphasizes interaction modeling and physical realism. Fueled by rapid advances in 3D representations and deep learning architectures, the field has evolved quickly, outpacing the scope of previous surveys. Additionally, existing surveys rarely offer a comprehensive analysis of the hierarchical structure of 4D scene reconstruction. To address this gap, we present a new perspective that organizes existing methods into five progressive levels of 4D spatial intelligence: (1) Level 1 -- reconstruction of low-level 3D attributes (e.g., depth, pose, and point maps); (2) Level 2 -- reconstruction of 3D scene components (e.g., objects, humans, structures); (3) Level 3 -- reconstruction of 4D dynamic scenes; (4) Level 4 -- modeling of interactions among scene components; and (5) Level 5 -- incorporation of physical laws and constraints. We conclude the survey by discussing the key challenges at each level and highlighting promising directions for advancing toward even richer levels of 4D spatial intelligence. To track ongoing developments, we maintain an up-to-date project page: https://github.com/yukangcao/Awesome-4D-Spatial-Intelligence. |
| title | Reconstructing 4D Spatial Intelligence: A Survey |
| topic | Computer Vision and Pattern Recognition |
| url | https://arxiv.org/abs/2507.21045 |