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Ruiyang Liu

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#artificial intelligence Preprint Oct 2026

HI3D 3.0 (Twinkle3D): Object-specific 3D Asset Generation with High Resolution

Hi3D 3.0 is presented, an image-to-3D generation system targeting object-specific fidelity, with Twinkle3D as its geometry model for generating watertight triangle meshes at $2048^{3}$ resolution, with a fine-grained image-3D cross-modal interaction mechanism that strengthens correspondence between visual evidence and...

Zi-Ying Li, Sheng-Chu Zhao, Hui-Ang He et al. · 0 citations

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

HAT-4D is proposed, the first agentic framework designed to reconstruct the 3D geometry, temporal dynamics, and physical interactions of multiple objects from a single video, accompanied by a novel multi-dimensional evaluation protocol focused on physical plausibility and temporal consistency.

Jia-Xin Li, Yu-Xiang Wu, Zhenkai Zhang et al. · 0 citations

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