Abstract
In order to acquire the on-orbit value of interior orientation and improve the orientation precision of remote sensing image,a method for the on-orbit calibration of HJ1B-CCD camera interior orientation was studied with linear array push-broom sensor imaging model in this paper.Firstly,the ground control points are selected and colinearity equations are constructed between ground control points and relevant image points.Secondly,the error equations based on colinearity equations are built and the initial value of unknown parameters are estimated.Finally,the error equations are solved by special ridge estimation to acquire the interior and exterior orientation.The results showed that this method could calibrate the HJ1B-CCD camera interior orientation on-orbit with good stability and precision.
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