Research on the inversion method of coupled typical error source in remote sensing imaging
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TH744 TP751.2

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    Abstract:

    Aceording to the eror source and the error amount obtained by the remote sensing imaging coupled typical error sourceinversion method, the imaging quality of the optieal system could be improved. The high-quality remote sensing image plays a great rolein the military and civilian fields, Based on the distorted remote sensing image, this study proposes a method for the coupled typical erorsouree inversion of remote sensing imaging. Firstly, according to the modulation transfer funetion model of the typical error source andthe decoupling principle of the coupled error source, the coupled typieal error decoupling equations are formulated. Then, the modulationtransfer function of remote sensing image is extracted by the edge method. The initial value of the coupled typical error source isdetermined based on the long-short term memory network. Finally, the Levenberg-Marquardt optimization algorithm is used to solve andcaleulate the coupled typical error decoupling equations. The typical error source and error amount are reversed. Experimental resultsshow that the relative eror between the inversion value and the true value of the coupled typical error of the distorted remote sensingimage is no more than 8%,most of which are below 5%. The method has excellent inversion performance.

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  • Received:
  • Revised:
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  • Online: June 28,2023
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