Atmospheric correction of IKONOS with cloud and shadow image features
Chang, C.W. Salinas, S.V. Liew, S.C. Lee, Z.P.
Lee, Z.P.
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Abstract
In this paper, we present a method for atmospheric correction that uses twhe cloud and shadow image features. An iterative scheme is formulated to computes the ratio of diffuse to direct irradiance as well as the path radiance using the radiance detected over the open water and shadow pixels. These parameters are then used to compute the cloud and water reflectance. We implemented this method on IKONOS images which are known to have inferior signal to noise ratio compared to sensors specially designed for ocean color measurements. The corrected image reflectance over water pixels are compared to field measurements. © 2007 IEEE.
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International Geoscience and Remote Sensing Symposium (IGARSS)
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Date
2007
DOI
10.1109/IGARSS.2007.4422936
Type
Conference Paper