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12 October 1988 Spot 1 - Calibration Results After Two Years Of Flight
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The status of the SPOT 1 calibration after nearly two years of flight is discussed in terms of measurements in the preflight period, validation in the post launch assessment and monitoring during flight. The results obtained with preflight sources, with an on board solar sensor and with test site measurements with ground truth on White Sands (New Mexico) are compared. Mention is also given to measurements with an on board internal lamp for calibration monitoring, intercomparisons between the two HRV's instruments by histogram matching, and analyses of images of snowy test sites for multiband calibration. The data are discussed and interpreted in this paper and finally lead to an estimation of the most likely calibration coefficients as well as an estimation of their accuracy.
© (1988) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
M Dinguirard, G Begni, and M Leroy "Spot 1 - Calibration Results After Two Years Of Flight", Proc. SPIE 0924, Recent Advances in Sensors, Radiometry, and Data Processing for Remote Sensing, (12 October 1988);

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