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A cross-calibration model is developed for calibrating the reflectance of HJ-1A/CCD1 sensor to MODIS/Terra sensor in the post-launch era. The vicarious cross-calibration models are initialized using the image pairs of HJ-1A/CCD1 and MODIS/Terra sensors collected from two testing sites, Nam Co Lake and Qinghai Lake, China. Our results show the cross-calibration model produced good performance in calibrating...