SPOT image-based atmospheric correction methods

Qingjiu Tian; Lanfen Zheng; Qingxi Tong

doi:10.1117/12.317793

17 August 1998 SPOT image-based atmospheric correction methods

Qingjiu Tian, Lanfen Zheng, Qingxi Tong

Proceedings Volume 3502, Hyperspectral Remote Sensing and Application; (1998) https://doi.org/10.1117/12.317793
Event: Asia-Pacific Symposium on Remote Sensing of the Atmosphere, Environment, and Space, 1998, Beijing, China

Abstract

The optimum atmospheric correction and reflectance retrieval proced'ure would be based solely on the digital image and would require no in-situ field measurements during the satellite overflight, not only for operational applications but also for many research projects that use historical data sets. In this paper, The image-base atmospheric correction and reflectance retrieval approach was developed by the SPOT data about La Crau radiant calibration site and nearby research area in july, 1995. The approach was based on DOS method to calculate path radiance with the reasonable dark-object reflectance choice. The atmospheric transmittances , the downwelling atmospheric irradiance and atmospheric attenuation was infered from several atmospheric radiative transfer codes(Lowtran-7, Modtran-3, 65) with simulated atmospheres. At last, the aprroach was evaluated by comparing surface reflectances of La Crau site measured with one derived from SPOT data.

Citation Download Citation

Qingjiu Tian, Lanfen Zheng, and Qingxi Tong "SPOT image-based atmospheric correction methods", Proc. SPIE 3502, Hyperspectral Remote Sensing and Application, (17 August 1998); https://doi.org/10.1117/12.317793

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