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Proceedings Paper

Effective Radiance Attenuation Coefficients For Underwater Imaging
Author(s): S. H. Koeppen; R. E. Walker
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Paper Abstract

A solution to the radiative transfer equation is presented which describes the apparent radiance of underwater optical targets of simple shapes. The solution is an exponential, the coefficient of which varies with distance and depends on four quantities: the volume attenuation coefficient, the integrated volume scattering function, the target size, and the illuminating beam size. The solution is compared with data taken by the authors and explains a discrepancy with the generally employed constant coefficient exponential dependence. A comparison with Monte Carlo calculations of point spread functions further supports the validity of the solution.

Paper Details

Date Published: 10 November 1975
PDF: 9 pages
Proc. SPIE 0064, Ocean Optics IV, (10 November 1975); doi: 10.1117/12.954497
Show Author Affiliations
S. H. Koeppen, The Johns Hopkins University (United States)
R. E. Walker, The Johns Hopkins University (United States)

Published in SPIE Proceedings Vol. 0064:
Ocean Optics IV

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