13 October 2008 Improved full spectrum cloudy scene simulation
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Abstract
This paper will discuss recent improvements made to the MCScene code, a high fidelity model for full optical spectrum (UV through LWIR) hyperspectral image (HSI) simulation. MCScene provides an accurate, robust, and efficient means to generate HSI scenes for algorithm validation. MCScene utilizes a Direct Simulation Monte Carlo approach for modeling 3D atmospheric radiative transfer (RT) including full treatment of molecular absorption and Rayleigh scattering, aerosol absorption and scattering, and multiple scattering and adjacency effects, as well as scattering from spatially inhomogeneous surfaces, including surface BRDF effects. The model includes treatment of land and ocean surfaces, 3D terrain, 3D surface objects, and effects of finite clouds with surface shadowing. This paper will provide an overview of how RT elements are incorporated into the Monte Carlo engine. Several new examples of the capabilities of MCScene to simulate 3-dimensional cloud fields will also be discussed, and sample calculations will be presented.
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Robert Sundberg, Robert Sundberg, Steven Richtsmeier, Steven Richtsmeier, Raymond Haren, Raymond Haren, } "Improved full spectrum cloudy scene simulation", Proc. SPIE 7107, Remote Sensing of Clouds and the Atmosphere XIII, 71070D (13 October 2008); doi: 10.1117/12.796965; https://doi.org/10.1117/12.796965
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