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Author

Y. Pi

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2026

On-Orbit Geometric Calibration of Star Camera Based on Block Pointing Model and Angular Distance Consistency

Star cameras provide high-accuracy attitude determination for optical satellites, enabling precise geometric positioning of imagery without ground control points. However, affected by launch vibrations and thermal variations, the on-orbit geometric distortion differs significantly from ground measurement results, degra...

Ning Zhang, Yan-Li Wang, Pin-Xi Liu et al. · 0 citations
Open access Jul 2026

Evaluating multi-view geometry for satellite-based 3D city modeling: towards 1+N constellation configurations

Abstract. The emergence of satellite constellations enables near-synchronous multi-view optical imaging, offering new opportunities for large-scale 3D city modeling. Yet a practically promising configuration, in which a primary near-nadir view is complemented by multiple oblique side-looking viewpoints, remains under-e...

Xu Cheng, Xianfeng Huang, Y. Pi et al. · 0 citations

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