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Opt Express. 2012 May 21;20(11):12085-94. doi: 10.1364/OE.20.012085.

Seven-parameter statistical model for BRDF in the UV band.

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School of Science, Xidian University, Xi’an 710071, China.


A new semi-empirical seven-parameter BRDF model is developed in the UV band using experimentally measured data. The model is based on the five-parameter model of Wu and the fourteen-parameter model of Renhorn and Boreman. Surface scatter, bulk scatter and retro-reflection scatter are considered. An optimizing modeling method, the artificial immune network genetic algorithm, is used to fit the BRDF measurement data over a wide range of incident angles. The calculation time and accuracy of the five- and seven-parameter models are compared. After fixing the seven parameters, the model can well describe scattering data in the UV band.

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