A WorldView-3 multispectral glint correction methodology and relation to hyperspectral signatures in space coast Florida waters

Andrea Taggart; Charles R. Bostater

doi:10.1117/12.2600572

12 September 2021 A WorldView-3 multispectral glint correction methodology and relation to hyperspectral signatures in space coast Florida waters

Andrea Taggart, Charles R. Bostater

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Proceedings Volume 11857, Remote Sensing of the Ocean, Sea Ice, Coastal Waters, and Large Water Regions 2021; 118570L (2021) https://doi.org/10.1117/12.2600572
Event: SPIE Remote Sensing, 2021, Online Only

Abstract

The type of bottom resting below the water surface may be difficult to be determined due to the contamination of pixels by glint in satellite reflectance imagery. A nearest neighbor non-glint pixel search algorithm was written in Python to correct glint contaminated pixels. An algorithm was then utilized to estimate water visibility and to analyze the results of the glint corrected pixels by using light attenuation depths and attenuation coefficients based upon glint corrected satellite reflectance in the WorldView-3 (WV-3) image channels. The aforementioned correction was undertaken for sand, mud, and seagrass bottom types. The results suggest that it is possible to estimate attenuation depths (a measure of water visibility).

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Andrea Taggart and Charles R. Bostater "A WorldView-3 multispectral glint correction methodology and relation to hyperspectral signatures in space coast Florida waters", Proc. SPIE 11857, Remote Sensing of the Ocean, Sea Ice, Coastal Waters, and Large Water Regions 2021, 118570L (12 September 2021); https://doi.org/10.1117/12.2600572

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KEYWORDS

Reflectivity

Signal attenuation

Satellites

Satellite imaging

Sun

Earth observing sensors

Atmospheric corrections

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