Practical atmospheric correction algorithms for a multispectral sensor from the visible through the thermal spectral regions

Christoph C. Borel; Pierre V. Villeneuve; William B. Clodius; John J. Szymanski; Anthony B. Davis

doi:10.1117/12.353033

16 July 1999 Practical atmospheric correction algorithms for a multispectral sensor from the visible through the thermal spectral regions

Christoph C. Borel, Pierre V. Villeneuve, William B. Clodius, John J. Szymanski, Anthony B. Davis

Author Affiliations +

Proceedings Volume 3717, Algorithms for Multispectral and Hyperspectral Imagery V; (1999) https://doi.org/10.1117/12.353033
Event: AeroSense '99, 1999, Orlando, FL, United States

Abstract

Deriving information about the Earth's surface requires atmospheric corrections of the measured top-of-the- atmosphere radiances. One possible path is to use atmospheric radiative transfer codes to predict how the radiance leaving the ground is affected by the scattering and attenuation. In practice the atmosphere is usually not well known and thus it is necessary to use more practical methods. We will describe how to find dark surfaces, estimate the atmospheric optical depth, estimate path radiance and identify thick clouds using thresholds on reflectance and NDVI and columnar water vapor. We describe a simple method to correct a visible channel contaminated by a thin cirrus clouds.

Citation Download Citation

Christoph C. Borel, Pierre V. Villeneuve, William B. Clodius, John J. Szymanski, and Anthony B. Davis "Practical atmospheric correction algorithms for a multispectral sensor from the visible through the thermal spectral regions", Proc. SPIE 3717, Algorithms for Multispectral and Hyperspectral Imagery V, (16 July 1999); https://doi.org/10.1117/12.353033

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