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Jiaming Zhang

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#human-computer interacti... Preprint Oct 2026

InSight: A Mobile Assistant Helping Visually Impaired People Navigate Unfamiliar Environment

Navigating unfamiliar outdoor environments is one of the most demanding everyday tasks for people with visual impairments (PVI). However, existing navigation systems cannot simultaneously satisfy the needs of informative perception and precise localization during navigation. This paper explores the core navigation dema...

Junwei Zheng, Jia-Le Wei, Di Wen et al. · 0 citations
#artificial intelligence Preprint Oct 2026

VL-DocIR: A Benchmark for Vision-Based Long Document Information Retrieval

Vision-based document retrieval has improved rapidly, but current evaluation settings still emphasize short documents and single relevant pages. This leaves an important gap between leaderboard performance and realistic long-document retrieval, where the evidence needed to answer a query may span multiple pages or even...

Simon Ott, Yu-Fan Chen, Rui-Ping Liu et al. · 0 citations
Preprint Aug 2026

SeqLoc: Beyond the Single Frame for Cross-View Geo-Localization in Feature-Sparse Scenes

SeqLoc is proposed, an online test-time sequence aggregation mechanism that recursively maintains a log-belief volume with three key components that outperforms single-frame localization by a large margin, improving both position and orientation recall by over 50%.

Junwei Zheng, Yunyi Huang, Ruize Dai et al. · 1 citation
Preprint Aug 2026

X$^2$Localizer: Cross-grained Alignment for Progressive Cross-view Video Geo-localization

This work forms Progressive Cross-view Video Geo-localization (PCVG) as a deployment-oriented extension and evaluation protocol of CVG, enabling localization under varying temporal budgets, prefix-based inference, random-start evaluation, and long-range localization with interruptions.

Zi-Chao Zeng, Weijia Fan, Yu-Fan Chen et al. · 0 citations

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