Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/48655
Title: Automatic sun glint removal of multispectral high-resolution WorldView-2 imagery for retrieving coastal shallow water parameters
Authors: Martin, Javier 
Eugenio, Francisco 
Marcello, Javier 
Medina, Anabella
UNESCO Clasification: 2209 Óptica
Keywords: High resolution
Worldview-2
Atmospheric 6S model
Sun glint
Shallow water, et al
Issue Date: 2016
Journal: Remote Sensing 
Abstract: Remote sensing of coastal areas requires multispectral satellite images with a high spatial resolution. In this sense, WorldView-2 is a very high resolution satellite, which provides an advanced multispectral sensor with eight narrow bands, allowing the proliferation of new environmental monitoring and mapping applications in shallow coastal ecosystems. These challenges need the accurate determination of the water radiance, which is not often valued compared to other sources such as atmosphere and specular water reflection (sun glint). In this context, the atmospheric correction and the glinting removal have demonstrated to be critical steps in the preprocessing chain of high resolution images. In this work, the Second Simulation of a Satellite Signal in the Solar Spectrum (6S) is used to compensate the atmospheric effects and to compute part of the deglinting algorithm using the modeled direct normalized irradiance. This paper describes a novel automatic deglinting procedure, integrated in the Radiative Transfer Modeling (RTM) inversion of the shallow water environments, which allows computing the water Inherent Optical Properties (IOPs), bathymetry and seafloor albedo contributions. The proposed methodology has demonstrated a proper performance for environmental monitoring in shallow water areas.
URI: http://hdl.handle.net/10553/48655
ISSN: 2072-4292
DOI: 10.3390/rs8010037
Source: Remote Sensing [ISSN 2072-4292], v. 8 (1), 37
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