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News/HAT-4D: Lifting Monocular Video for 4D Multi-Object Interactions via Human-Agent Collaboration
arxiv
PublishedJune 29, 2026 at 4:00 AM

HAT-4D: Lifting Monocular Video for 4D Multi-Object Interactions via Human-Agent Collaboration

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arXiv:2606.28215v1 Announce Type: cross Abstract: Extracting dynamic 4D object interactions from massive, in-the-wild monocular videos offers a highly efficient data collection pathway for scaling Embodied AI and training VLAs. However, existing monocular 4D reconstruction methods primarily focus on

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