https://www.selleckchem.com/pr....oducts/gsk3326595-ep
To perform efficient on-orbit calibration for star cameras, we developed an attitude-independent calibration approach for global optimization and noise removal by least-square estimation using multiple star images, with which the optimal principal point, focal length, and the high-order focal plane distortion can be obtained in one step in full consideration of the interaction among star camera parameters. To avoid the problem when stars could be misidentified in star images, an iteration method with variable weights is int
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