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Ian D. Reid

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#artificial intelligence Preprint Sep 2026

Exo2EgoHOI: Hand-Object-Interaction Aware Exocentric-to-Egocentric Video Generation

Egocentric videos of human manipulation provide valuable visual experience for embodied intelligence, yet collecting such data at scale is costly. Exocentric-to-egocentric video generation offers a scalable alternative by transforming abundant third-person manipulation videos into first-person observations. However, ex...

Hong-Jia Zhai, Xi-Yu Zhang, Hao-Ran Zhang et al. · 0 citations
Preprint Sep 2026

UniMo: Unifying Human and Animal Motion Generation

UniMo is proposed, a unified point cloud-based motion generation framework that bypasses topological discrepancies by converting parametric skeletons into unparametric representations, further enhanced by dynamic sampling that allocates more points to active joints.

Ze-Yu Zhang, Zhi-Yuan Zhang, Si-Heng Wang et al. · 0 citations
2025

FlashMo: Geometric Interpolants and Frequency-Aware Sparsity for Scalable Efficient Motion Generation

This work proposes FlashMo, a frequency-aware sparse motion diffusion model that prunes low-frequency tokens to enhance efficiency without custom kernel design, and introduces MotionSiT, a scalable diffusion transformer based on a joint-temporal factorized interpolant with Lie group geodesics over SO(3) manifolds, enab...

Zeyu Zhang, Yiran Wang, Danning Li et al. · 11 citations

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