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Zheng-Hao Ni

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Preprint Sep 2026

Learning via Self-Consistency for Diffusion-based Video Reasoning

Video generation models have demonstrated emerging zero-shot capabilities for visual reasoning, perception, and other vision tasks. However, diffusion-based video generation is inherently stochastic, while many downstream vision tasks are deterministic. Motivated by the effectiveness of self-consistency in chain-of-tho...

Zheng-Hao Ni, Wei-Min Qiu, Meng Tang · 0 citations
#machine learning Preprint Sep 2026

FlexiWorld: Learning and Planning via Flexible Action Chunks Across Multiple Time Scales

FlexiWorld, a JEPA-based world model that combines mixed-span goal supervision with variable-length action chunks to improve long-horizon control, is introduced and PushT ablations show improved direct control from mixed-span supervision, variable-length chunks, and Student Forcing.

Shi-Du Ren, Qi Gu, Zheng-Hao Ni et al. · 0 citations

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