CUED Publications database

Micro Coded-Aperture Lead-In of Light for Calibrating Remote Sensing Cameras

Li, J and Zhang, Y (2017) Micro Coded-Aperture Lead-In of Light for Calibrating Remote Sensing Cameras. IEEE Photonics Technology Letters, 29. pp. 1939-1942. ISSN 1041-1135

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Abstract

We investigate the geometric calibration of a remote sensing camera using a micro coded-aperture lead-in (CAL) of light. A CAL can transform a light beam into multiple sub-beams with a precisely known diffraction angle. The multiple sub-beams can be considered as light sources of multiple point-targets at infinity. We experimentally confirm that this method can achieve an accuracy of approximately 101 μm and is simple to calibrate. This method has the potential to be used in the calibration of the interior parameters of optical remote sensors on the ground and in orbit.

Item Type: Article
Subjects: UNSPECIFIED
Divisions: Div B > Photonics
Depositing User: Cron Job
Date Deposited: 14 Apr 2018 20:07
Last Modified: 10 Apr 2021 22:22
DOI: 10.1109/LPT.2017.2757010