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The aim is to enhance the geolocation accuracy of spaceborne optical images by utilizing SAR data.

Geolocation enhancement of spaceborne cameras: The SAR-Optic approach

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The aim is to enhance the geolocation accuracy of spaceborne optical images by utilizing SAR data.
Developed an operational approach leveraging geometric stability of SAR sensors.
Found correspondences between overlapping SAR and optical images.
Refined camera orientations using classical photogrammetric techniques during a validation campaign.
Achieved absolute horizontal geolocation accuracy of 1.5m (CE90).
Improved location accuracy over traditional methods, showing potential for wide-scale applications.

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Randomized trial improves geolocation accuracy in spaceborne optical images, suggesting a new method for precise location tracking.

Barot et al. (2026) studied this question.

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