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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 46, Iss. 22 — Aug. 1, 2007
  • pp: 5471–5481

Multiresolution optical characteristics of rough sea surface in the infrared

Karine Caillault, Sandrine Fauqueux, Christophe Bourlier, Pierre Simoneau, and Luc Labarre  »View Author Affiliations


Applied Optics, Vol. 46, Issue 22, pp. 5471-5481 (2007)
http://dx.doi.org/10.1364/AO.46.005471


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Abstract

An analytical model of sea optical properties has been developed in order to generate sea surface images, as seen by an infrared sensor. This model is based on a statistical approach and integrates the spatial variability of a wind-roughened sea surface whose variability ranges from a 1-m to a kilometer scale. It also takes into account submetric variability. A two-scale approach has been applied by superimposing small scale variability (smaller than the pixel footprint) to larger ones. Introducing multiresolution in the sensor field of view allows the requirement of any observational configuration, including nadir as well as grazing view geometry. The physical background of the methods has been tested against theoretical considerations. We also obtained a good agreement with dataset collections at our disposal and taken from the literature, such that a bias shows up at grazing angles, mainly explained by not taking into account multiple reflections. Applied to the generation of synthetic sea surface radiance images, our model leads to good quality ocean scenes, whatever the contextual conditions.

© 2007 Optical Society of America

OCIS Codes
(000.5490) General : Probability theory, stochastic processes, and statistics
(010.4450) Atmospheric and oceanic optics : Oceanic optics
(240.5770) Optics at surfaces : Roughness
(260.3060) Physical optics : Infrared
(280.0280) Remote sensing and sensors : Remote sensing and sensors
(290.5880) Scattering : Scattering, rough surfaces

ToC Category:
Remote Sensing

History
Original Manuscript: February 28, 2007
Revised Manuscript: May 31, 2007
Manuscript Accepted: June 6, 2007
Published: July 23, 2007

Virtual Issues
Vol. 2, Iss. 9 Virtual Journal for Biomedical Optics

Citation
Karine Caillault, Sandrine Fauqueux, Christophe Bourlier, Pierre Simoneau, and Luc Labarre, "Multiresolution optical characteristics of rough sea surface in the infrared," Appl. Opt. 46, 5471-5481 (2007)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-46-22-5471

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