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EnglishA polarimetric model to relate the degree of polarization, DoP, to the sea surface scattering with and without oil slicks, under low-to-moderate wind conditions, is first proposed. DoP, measured directly from the Mueller scattering matrix, is shown to be a reliable measure of the departure from Bragg scattering; a phenomenon that, under low-to-moderate wind condi- tions, occurs when an oil slick is present. Following this theoretical ratio- nale, a simple filter is developed to observe oil slicks in quad-polarimetric full-resolution Synthetic Aperture Radar (SAR) data. Experiments, under- taken on a meaningful set of quad-polarization Single Look Complex (SLC) C-band RADARSAT-2 SAR data, where well-known oil slicks are in place, demonstrate the soundness of the model and its effectiveness from an oper- ational viewpoint.
| Titolo: | On the degree of polarization for SAR sea oil slick observation | |
| Autori: | ||
| Data di pubblicazione: | 2013 | |
| Rivista: | ||
| Abstract: | A polarimetric model to relate the degree of polarization, DoP, to the sea surface scattering with and without oil slicks, under low-to-moderate wind conditions, is first proposed. DoP, measured directly from the Mueller scattering matrix, is shown to be a reliable measure of the departure from Bragg scattering; a phenomenon that, under low-to-moderate wind condi- tions, occurs when an oil slick is present. Following this theoretical ratio- nale, a simple filter is developed to observe oil slicks in quad-polarimetric full-resolution Synthetic Aperture Radar (SAR) data. Experiments, under- taken on a meaningful set of quad-polarization Single Look Complex (SLC) C-band RADARSAT-2 SAR data, where well-known oil slicks are in place, demonstrate the soundness of the model and its effectiveness from an oper- ational viewpoint. | |
| Handle: | http://hdl.handle.net/11367/1629 | |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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