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Sun Glint Correction of High and Low Spatial Resolution Images of Aquatic Scenes: a Review of Methods for Visible and Near-Infrared Wavelengths

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Marine Spatial Ecology Lab, School of Biosciences, Hatherly Laboratory, Prince of Wales Road, University of Exeter, Exeter, Devon, EX4 4PS, UK
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ARGANS Ltd, Tamar Science Park, Plymouth, Devon, PL6 8BY, UK
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School of Marine Science and Engineering, University of Plymouth, Drakes Circus, Plymouth, Devon, PL4 8AA, UK
*
Author to whom correspondence should be addressed.
Remote Sens. 2009, 1(4), 697-730; https://doi.org/10.3390/rs1040697
Received: 4 August 2009 / Revised: 1 September 2009 / Accepted: 21 September 2009 / Published: 12 October 2009
Sun glint, the specular reflection of light from water surfaces, is a serious confounding factor for remote sensing of water column properties and benthos. This paper reviews current techniques to estimate and remove the glint radiance component from imagery. Methods for processing of ocean color images use statistical sea surface models to predict the glint from the sun and sensor positions and wind data. Methods for higher resolution imaging, used in coastal and shallow water mapping, estimate the glint radiance from the near-infrared signal. The effects of some current methods are demonstrated and possibilities for future techniques are briefly addressed. View Full-Text
Keywords: sun glint; sun glitter; ocean color; coral reef; bathymetry; shallow water sun glint; sun glitter; ocean color; coral reef; bathymetry; shallow water
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Kay, S.; Hedley, J.D.; Lavender, S. Sun Glint Correction of High and Low Spatial Resolution Images of Aquatic Scenes: a Review of Methods for Visible and Near-Infrared Wavelengths. Remote Sens. 2009, 1, 697-730.

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