Synergistic Absolute Radiometric Calibration and Correction Method for Triple-Line Array Camera Imagery
A technology of absolute radiometric calibration and relative radiometric correction, applied in the field of remote sensing satellite image processing, which can solve the problem of not building the relationship between the spectral responses of different cameras, and not considering the influence of the calibration results and correction effects of the three-line camera. Correction of the lack of correlation between the results, etc.
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[0073] The inventive method is further described below:
[0074] 1) According to the independent laboratory relative calibration coefficients of the front-sight, front-sight and rear-sight cameras of the three-line array of remote sensing satellites obtained from the measurement, the original image of the three-line array camera of the radiation calibration field target is calculated camera by image by using the gray scale linear transformation method The relative radiation correction is carried out to obtain the relative radiation correction image of the target in the radiation calibration field.
[0075] 1.1) Obtain the independent laboratory relative calibration coefficients of the front-sight, front-sight and rear-sight cameras of the three-line array of remote sensing satellites: obtain the relative calibration coefficients of each detector of each camera of the three-line array camera gain relative(k,i) with offset relative(k,i) , where gain relative(k,i) Indicates gai...
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