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Author

Zichao Zeng

2 papers indexed here

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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
Open access Jul 2026

AI-Based Camera Pose Estimation on Mixed Aerial and Ground Images: A Comparative Study

Abstract. Estimating camera poses jointly from aerial and ground imagery remains difficult because large viewpoint changes reduce overlap, alter appearance, and weaken the geometric assumptions relied on by both classical photogrammetry and recent AI-based reconstruction models. This paper presents a controlled compari...

Zichao Zeng, June Moh Goo, Jan Boehm · 1 citation

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