26 October 2016 ICARE-HS: atmospheric correction of airborne hyperspectral urban images using 3D information
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Abstract
The algorithm ICARE-HS (Inversion Code for urban Areas Reflectance Extraction using HyperSpectral imagery) is presented in this paper. ICARE-HS processes airborne hyperspectral images for atmospheric compensation taking into account the strong relief of urban areas. A digital surface model is used to provide the 3D information, which is key to simulating relief-related effects such as shadow casting, multiple reflections between objects and variable illumination depending on local solid angle of view of the sky. Some of these effects are modeled using ray tracing techniques. ICARE-HS is applied to airborne hyperspectral data of the city center of Toulouse, which are also processed by a standard atmospheric correction method for comparison.
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Xavier Ceamanos, Xavier Ceamanos, Xavier Briottet, Xavier Briottet, Guillaume Roussel, Guillaume Roussel, Hugo Gilardy, Hugo Gilardy, } "ICARE-HS: atmospheric correction of airborne hyperspectral urban images using 3D information", Proc. SPIE 10008, Remote Sensing Technologies and Applications in Urban Environments, 100080R (26 October 2016); doi: 10.1117/12.2241799; https://doi.org/10.1117/12.2241799
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