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Author

Guillaume Laurent

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Open access Jul 2026

Line of Sight Calibration for Satellite Imagery Based on Matrix Detector

Abstract. This study presents a self-calibration method for optical Earth observation satellites equipped with matrix sensors. Precise geolocation of each pixel in a satellite image requires accurate modelling of the acquisition geometry, typically achieved through refinement that corrects the geometry using measuremen...

Guillaume Laurent, Alice Latourte, Fabrice Buffe et al. · 0 citations
Open access Jul 2026

Global Block Adjustment for Mosaicked Stereoscopic Satellite Imagery

The results highlight that careful parameterization — combining observation weighting, n-tuple point filtering, and per-satellite sensor refinement — is key to producing accurate, geometrically consistent large-scalemosaics from bi-satellite stereo imagery.

Michaël Erblang, Emelyne Saulnier, Guillaume Laurent et al. · 2 citations

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