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Yunzhi Li

2 papers indexed

arxivcs.HC2026-07-16

Not Just Pockets: Understanding Phone-Carrying Behaviors of Wheelchair Users for Mobile Context-Awareness

Yunzhi Li, Patrick Carrington

Smartphone-based context-awareness holds significant promise for wheelchair users -- from detecting everyday accessibility barriers to enabling ability-based adaptations. Such capabilities often build on passive context inference through mobile sensing, yet their accuracy hinges…

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arxivcs.CVcs.LG2026-06-29

Your Data Manifold is Secretly a Reward Model: Shell-LCC for Text-to-Video Generation

Shihao Zhang, Yunzhi Li, Yuguang Yan, Junzhe Zhang, Wei Zhao, Bohan Wang, et al.

Recent text-to-video (T2V) diffusion models rely heavily on auxiliary reward signals (e.g., via reward models or DPO) to align generated content with human aesthetics and improve realism. These signals, however, incur substantial computational overhead, require costly human annot…

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