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Proceedings Paper

Models for scattering of light from rough surfaces with applications in IR signature simulations
Author(s): Patrik Hermansson
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Paper Abstract

The bidirectional reflectance distribution function (BRDF) for a surface is an important quantity in simulation and prediction of ultraviolet, visible and infrared signatures from objects. In this paper we briefly give some background for modelling of rough surface scattering and present a selection of models for scattering of light from rough surfaces. Emphasis is placed on some analytical (approximate), physics-based methods, through which the BRDF can be calculated from surface topography and material optical data. Ranges of validity and limitations of the models are discussed. We also touch upon the relation between these analytical models and some more empirical, parametric, models for BRDF which are sometimes used in computer programs for three-dimensional visualization and scene simulation. Some examples from calculations using rough surface scattering models are presented.

Paper Details

Date Published: 5 August 2004
PDF: 11 pages
Proc. SPIE 5431, Targets and Backgrounds X: Characterization and Representation, (5 August 2004); doi: 10.1117/12.544300
Show Author Affiliations
Patrik Hermansson, Swedish Defence Research Agency (Sweden)


Published in SPIE Proceedings Vol. 5431:
Targets and Backgrounds X: Characterization and Representation
Wendell R. Watkins; Dieter Clement; William R. Reynolds, Editor(s)

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