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Author

Ruiping Liu

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#artificial intelligence Preprint Sep 2026

Does Local Video Understanding Transfer Across Encounters? The EgoGears Benchmark

Embodied systems must make knowledge acquired during one encounter usable in another despite changes in viewpoint, motion, and illumination. Yet aggregate cross-video accuracy conflates failures of local perception with failures to preserve observation identity, establish correspondence, and compose evidence, obscuring...

Yue-Dong Tan, Lei-Tao Qi, Yu Liu et al. · 0 citations
Preprint Aug 2026

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

Cross-View Geo-Localization (CVGL) with OpenStreetMap (OSM) performs well in structure-rich urban environments but collapses in feature-sparse scenes such as rural roads. To study this failure mode, in this work, we introduce CV-FSS, a benchmark that pairs sequential panoramas from five rural regions with aligned OSM m...

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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