arXiv — cs.AI preprintsInternational21 October 2026
World2HOSI: A Multi-Expert Harness for Long-Horizon Human-Object-Scene Interaction Generation
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arXiv:2610.27725v1 Announce Type: cross Abstract: Long-horizon human-object-scene interaction (HOSI) is central to embodied AI, animation, and game development. Existing human-object interaction (HOI) and human-scene interaction (HSI) models excel in their respective domains, but none alone covers tasks requiring multiple interaction skills. Training unified HOSI models is hindered by scarce and costly data. We introduce World2HOSI, a multi-expert orchestration harness that generates continuous HOSI data from 3D Gaussian Splatting (3DGS) scenes and natural language instructions. Our key insigh
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