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Proceedings Paper

Development of a terrain surface model for optical property computation
Author(s): J. Michael Cathcart
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Paper Abstract

In this paper we discuss our efforts to develop a digital hyperspectral signature model for terrain features. These efforts focused on developing models for the optical and infrared properties of soils and vegetation features. A detailed geometric model of the particulate soil surface is combined with radiative transport algorithms to compute emissive and reflective properties of terrain surfaces. These models support analysis of environmental effects on terrain signatures, signature generation to support object detection algorithm development, and terrain clutter characterization. Environmental effects modeled and studied include solar insolation, wind, soil particle size distributions, and soil constituents. The particulate nature of the soil surface is shown to significantly impact the optical properties. A discussion of the terrain modeling approach, the underlying analytical basis, the methodology for modeling solar absorptivity, and results from the model computations will be presented.

Paper Details

Date Published: 3 May 2007
PDF: 7 pages
Proc. SPIE 6553, Detection and Remediation Technologies for Mines and Minelike Targets XII, 655317 (3 May 2007); doi: 10.1117/12.720767
Show Author Affiliations
J. Michael Cathcart, Georgia Institute of Technology (United States)

Published in SPIE Proceedings Vol. 6553:
Detection and Remediation Technologies for Mines and Minelike Targets XII
Russell S. Harmon; J. Thomas Broach; John H. Holloway Jr., Editor(s)

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