Application of a new polarimetric filter to RADARSAT-2 data of deception island (Antarctic peninsula region) for surface cover characterization
Entity
UAM. Departamento de Geología y GeoquímicaPublisher
Copernicus PublicationsDate
2015-01-01Citation
10.5194/isprsarchives-XL-7-W3-1035-2015
ISPRS.The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences 40.7/W3 (2015): 1035-1039
ISSN
1682-1750 (print); 2194-9034 (online)DOI
10.5194/isprsarchives-XL-7-W3-1035-2015Funded by
This work was supported by the RADARSAT-2 Science and Operational Applications Research Program (SOAR) from the Canadian Space Agency and MacDonald, Dettwiler and Associates Ltd. Geospatial Services Inc., Canada, that provided satellite data through the SOAR–5169 project granted to the Universidad Autónoma de Madrid, Spain. This is a contribution to the projects CTM2011-26372 and CTM2014-57119-R of the Spain National R&D National PlanProject
Gobierno de España. CTM2011-26372; Gobierno de España. CTM2014-57119-REditor's Version
https://doi.org/10.5194/isprsarchives-XL-7-W3-1035-2015Subjects
Antarctica; Geomorphology; Image interpretation; Polarimetry; SAR; Soils; Speckle Filtering; Surface characterization; GeologíaAbstract
In this paper, we describe a new approach to analyse and quantify land surface covers on Deception Island, a volcanic island located in the Northern Antarctic Peninsula region by means of fully polarimetric RADARSAT-2 (C-Band) SAR image. Data have been filtered by a new polarimetric speckle filter (PolSAR-BLF) that is based on the bilateral filter. This filter is locally adapted to the spatial structure of the image by relying on pixel similarities in both the spatial and the radiometric domains. Thereafter different polarimetric features have been extracted and selected before being geocoded. These polarimetric parameters serve as a basis for a supervised classification using the Support Vector Machine (SVM) classifier. Finally, a map of landform is generated based on the result of the SVM results.
Files in this item
Google Scholar:Guillaso, S.
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Schmid, T.
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López Martínez, Jerónimo
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D'Hondt, O.
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