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tmospheric correction of satellite remote sensing image is the precondition of quantitative remote sensing study, and also among\udthe difficulties of it. There are various methods and models for atmospheric correction. The author makes the atmospheric correction\udof SPOT-5 multi-spectrum remote sensing image covering Changsha, Zhuzhou and Xiangtan by adopting Model FLAASH and\udModel QUAC in the trail, and then makes a contrastive analysis of the image before and after the correction from the point of sight,\udsurface features spectral curve and RVI result. The results show that both models with their specific scope of application can both\udbasically eliminate the atmospheric effects and can restore the typical characteristics of various surface features spectral better,\udemphasis the vegetation information; the one using Model FLASSH has higher accuracy than the one using Model QUAC; it is more\udconvenient to use Model QUAL than Model FLASSH, because it has little dependence on input parameters and calibration accuracy\udof instruments

the international archives of the photogrammetry, remote sensing and spatial information sciences/international archives of the photogrammetry, remote sensing and spatial information sciences

ATMOSPHERIC CORRECTION COMPARISON OF SPOT-5 IMAGE BASED ON MODEL FLAASH AND MODEL QUAC