Author

Junfeng Ni

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Preprint Oct 2026

GAD: Geometry Attention Distillation for Consistent Video Generation

Video diffusion models generate visually compelling short-term sequences but often struggle to preserve scene geometry and object structure over time. In this paper, we first demonstrate that current video attention cannot identify reliable correspondences across frames, with responses dispersed across multiple regions...

Jun-Feng Ni, Zi-Yu Zhu, Fan Jiang et al. · 0 citations

Preprint Oct 2026

DecomVoxel: Harnessing 3D-Native Priors with Guided In-situ Denoising Optimization for Decompositional Scene Reconstruction

Decompositional scene reconstruction aims to reconstruct high-quality objects and background, yet existing methods still struggle with the level of quality under heavy occlusions. While generative priors offer a potential solution, 2D image-based priors often suffer from multi-view inconsistency due to a lack of 3D awa...

Jun-Feng Ni, Zi-Rui Zhou, Yi-Xin Chen et al. · 0 citations

Preprint Jul 2026

ABot-World-0: Infinite Interactive World Rollout on a Single Desktop GPU

This work progressively distill a bidirectional action-conditioned teacher into a causal student through teacher forcing and ODE distillation, and introduces LongForcing to align long student self-rollouts with an extended-horizon teacher, mitigating accumulated distribution shift and autoregressive drift.

Fan Jiang, Zhaoxu Sun, Mengchao Wang et al. · 6 citations